a much freer reign in that area. >> this was a violent and deadly day in egypt. as supporter of mohammed morsi fought throughout the country. at least 44 people reported killed, hundreds injured, most in cairo where the battles went on for hours. today clash is just the latest chapter in the turmoil that has shaken egypt for almost three years today. in damask today international specialists began to remove a stockpile estimated at one thousand tons and equipment used to make it, all of it, complicated by syria's civil war still rages on. a late development in this country. very scary moments in today's grand prix of houston race, dario franchitti. a report from nbc. >> wow, that was huge crash. >> reporter: the crash sent his car into the safety fence at over 100 miles an hour. his vehicle tearing apart in midair. debris flying into the grandstand, injuring at least 13 spectators. >> that is a horrifying ride. >> reporter: franchitti, a three-time i wanted appear list 500 winner stayed in his car as other drives walked away. rushed to a nearby hospital, incredibly he's said to be a wake and alert. firefighters treated injured fans just off the track. indy car racing is a popular, though dangerous and deadly sport. after a fatality two years ago, tracks like this one in houston reinforce their catch fences. today on dario franchitti's final lap, it may have saved lives. nbc news, los angeles. >> severe weather hit this weekend in a large part of the country including heavy rains that led to a flooding emergency in kentucky where dozens of people had to be rescued. >> reporter: louisville firefighters worked into the early morning rescuing residents trapped by rising flood waters. it came fast and without warning. >> we had people that are trapped in these apartments with water on first floor apartments. >> reporter: officials report more than 80 residents rescued and evacuated. >> they banged on my door and i woke up and stepped into a foot of water. >> reporter: the flash flooding forced at least 45 roads closed. >> i know i could have got out of there. we trapped. >> reporter: twice the old record that was set 103 years ago. >> my place is flooded. >> reporter: forecasters say no rain predicted tonight. a welcome break. >> that flooding a result of the same storm system that spawned 12 tornadoes this weekend in the midwest. the national weather service noun says this one in wayne, nebraska, was an ef-4, winds of about 170 miles per hour. almost a mile and a half wide. to the south, what was tropical storm karen has now weakened into a tropical depression into the gulf of mexico. parts of southeast could still get one to three inches of rain. six days into the partial shutdown of the government, one big group of federal employees is headed back to work tonight while those who have the power to end the whole thing showed no sign they're any closer to doing so. here is the latest. >> reporter: more than 300,000 civilian defense department employees once furloughed are headed back to work at the orders of defense secretary chuck hagel, including 3,000 at the pearl harbor shipyard in hawaii. >> by saying that we get the retro pay and recalled in is a a huge relief. >> but another roughly 400,000 workers are off the job. the president is urging them to re-open the government without trying to delay the health care law. >> there are not the votes in the house to pass a clean cr. >> reporter: they accused the speaker of playing politics and dared him to put the measure up for a vote. >> put it on the floor monday or tuesday. i would bet there are the votes to pass it. >> reporter: as many as 22 republicans would vote with democrats to open up the government with no strings attached. still, some republicans are blaming the president for refusing to negotiate. >> they're the ones unwilling to compromise on any facet of obama care. >> their view is not reasonable. >> reporter: another crisis looms. when the u.s. will reach its debt limit on october 17th in just ten days running out of money to pay its bills. jack lew warns of dire economic consequences. >> it's a place we've never gone. it's very dangerous. >> reporter: there is broad agreement here in washington that a government funding bill will likely be linked to an increase in the debt limit. the problem is, no one seems to have a plan for making that happen. >> among the many agencies affected by the shutdown, the national institute of health and that has interrupted vital clinical trials for hundreds of patients with life threatening diseases. >> reporter: at first glance, abby mccurtain looked like any other child her age, smiling and playing with mom and dad at home in plymouth, massachusetts. but at just 2 1/2 years old, they say she's lived longer than doctors expected. >> she can't sit or crawl or walk. day to day she's on a feeding pump for seven hours a day. >> reporter: she suffers from lee's disease a rare incurable disorder that affects the center nervous system causing seizures and the loss of motor skills and muscle tone. this past week, abby was scheduled to participate at a new clinical trial at the national institute of health. but 73% of nih workers are furloughed due to the government shutdown. and new trials are on hold. >> we were angry. you can angry for my daughter and how can -- how can they not get along to make this work? >> abby. >> reporter: along with anger, the mccurtains say they lost hope. the drug being tested would give her a better quality of life. >> i want to give her the best. and having that drug so close to our hands and ripped away is, it's unmangable. >> reporter: according to the nih, its hospital enrolls about 200 patients a week for new trials. roughly 30 of those patients are children. all in limbo until a deal is reached. greg and heidi say they are now searching for privately funded clinical trials. >> we won't stop at anything until we get her on the treatment that she needs and deserves. >> reporter: one family that struggles and waits while caught in the cross hairs. >> when "nbc nightly news" continues on this sunday, a monster truck plows into a crowd of spectators causing death and injury. and why cops are now being investigated with that violent confrontation with a driver and suv. bar with consistent educational standards. now, students in those states will have a better chance to succeed in college and careers and to compete in the global economy. which means a better future for our students and our nation. join exxonmobil in supporting the common core state standards. let's solve this. i remember thinking there's a lot i have to do... check my blood sugar, eat better. start insulin. today i learned there's something i don't have to do anymore. my doctor said with levemir® flexpen... i don't have to use a syringe and a vial. levemir® flexpen comes prefilled with long-acting insulin taken once daily for type 2 diabetes to help control high 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(cat screech) you feel that in your muscles? i do... drink water. it's a long story. well, not having branches let's us give you great rates and service. i'd like that. a new way to bank. a better way to save. ally bank. your money needs an ally. it was supposed to ab an afternoon of fun at a monster truck show in mexico this weekend until the driver of one of the trucks lost control after leaping over a pile of cars. the truck plowed into a crowd of spectators killing at least eight and initialing 80 others, dozens of them seriously. some witnesses said the driver and to hit his head into the truck as he drove over the cars. new developments ininvolving the violent confrontation between a group of bikers and the driver of a suv. two more of the bikers are now in custody was we learned more about how some of those riding in the kbrup were apparently police officers themselves. >> reporter: it is possibly the most dramatic moment in a video that has now been viewed by millions. a biker takes off his helmet, rushes the linde's suv and smashes the driver's side window. today the motorcyclist in the video was arrested and charged with gang assault in the first degree. another biker was charge and his lawyer says he's kroop rating with authorities. while the nypd continues to investigate, the department itself is under scrutiny. as many as six unauthorized officers may have taken part in the unauthorized bike rally. police sforss say this man was so undercover he didn't want to step in. internal affairs is investigating why it took four days for him to come forward. this man was there and he said he saw one of the bikers go for linde's wife. >> with his two hands real hard pulling her out. that's when everybody started screaming, a lot of womens, no, not the lady, not the baby. no, she has a baby. >> reporter: the crowd stopped them from hurting the mother and baby. >> the man was knocked down. he was on the floor. he was getting beat up with -- with the -- >> he was smashing his head with a helmet? >> yes. many times. >> reporter: he jumped in between linde and the bikers. >> can you explain how angry these guys were at the moment? >> real angry. they were acting like savages. >> reporter: this afternoon he was honored for stepping in. police sforss tell nbc news that they are still poring over video. nbc news new york. >> when we come back here this evening, remembering an american harrow. i don't use super poligrip for hold because my dentures fit well. before those little pieces would get in between my dentures and my gum and it was uncomfortable. even well-fitting dentures let in food particles. super poligrip is zinc free. with just a few dabs, it's clinically proven to seal out more food particles so you're more comfortable and confident while you eat. so it's not about keeping my dentures in, it's about keeping the food particles out. 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[ all ] fort benning, georgia in 1999. 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injured. the phrase, "boston strong" with are heard a lot in the days after the tragedy. and today we saw just how strong are some of them who took the next big steps in their lives. >> reporter: on a field in boston this morning, an amazing display of courage and strength. at a running and mobility clinic by the challenged athletes, people of all ages and skill levels trying to regain their footing in life. something heather lost when a bomb blast as she watched the finish of the boston marathon in april ultimately cost her her leg. >> it feels like reaching another milestone and getting back to the way things used to be. you know, kind of a step in the right direction. >> a brand new -- >> reporter: heather received her first running leg at a ceremony last night. her fourth prosthetic so far. and this morning she took her first steps on that new artificial limb. the thought of actually running again no longer seemed impossible. >> when i first had to experience using it, i thought, i'll never -- i'm never going to be able to walk. and i did it. >> reporter: celeste lost both left legs in the bombing. what she didn't lose was her determination. >> if you know that the exercising that you need to do is going to get you your independence, then you're going to do it. >> reporter: they often find strength in numbers. >> they get to see other athletes doing things that they thought me might not be able to do. >> reporter: coaches and mentors are paired with amputees. at celeste's side, gabe martinez who knows a lot about overcoming adversity. he lost both of his legs in combat in afghanistan. >> i tell them don't push too hard, take it day by day, and just live your new life. >> reporter: cheering each other on as they champions toward life take another step toward independence. >> both women say they have good days and bad days but try to stay positive and focus on the future. brian williams will be here tomorrow. coming up, football night in america. followed by the texans verses the 49ers. have a good night. >> announcer: nbc sports, exclusive home of the nhl, premier league, the sochi olympic winter games, and primetime's number one show -- "sunday night football." >> a look from above at the san francisco bay and the city along its shores, san francisco is the site tonight for sunday night football featuring preseason super bowl contenders who haven't looked that way so far as the houston texans visit the 49ers. just eight months re moved from a narrow loss in the tile game colin kaepernick and the niners are a 2-2. key absences have been an issue but they rebounded strongly in st. louis. matt schaub and the texans are 2-2. despite ranking near the top of the league on offense and defense. the problem for houston has been turnovers which have contributed to two straight losses making tonight's game all the more crucial for the texans. well, way back when, somebody said the coldest winter i ever spent was a summer in san francisco. how is this for an early october late afternoon? it is 88 degrees in san francisco as we welcome you to sunday night football or in this case late afternoon football in san francisco. al michaels and cris collinsworth will call the game. it is likely our last visit to storied candlestick park. a brand new stadium next year in santa clara. lots of memories here. five super bowl championships, not won here but this was the home field when they won the championships. in baseball, mays, mccovey and an earthquake. >> we were here in the '80s at 5:00 in the afternoon. hopefully we are not putting the kibosh on anything tonight. great things have taken place here. the giants moved here. the niners came when they ex panded it. 27 post season football games played here. the most of any venue. if you had one great moment to think about it you would think of dwight clark's catch in the '81 nfc championship game send ing the 49ers to the super bowl against the cincinnati bengals. >> i wish the cowboys had won. it was not good. >> your rookie year and your last year. >> it was. >> concluded with a super bowl lost to the 49ers. >> every once in a while i walk by as we go into the office and say hello to my trophies. somebody lets me say hello to my rings and move on from there. >> bob: a lot of focus on schaub and kaepernick. we'll the talk about it as we move along. these are two of the best defenses in the league. >> i have to retrain myself for this ball game. i believe, despite the fact there are good offensive weapons out here, this game will be on the defensive side. we saw bowman last week. without patrick willis in, aldon smith in there, basically tab over the game in st. louis. j.j. watt, i thought played one of the most incredible games of football. statistically it won't show up as being one of those. the guy never takes a play off. he's borderline unblockable. i can't wait to watch him in person. >> al and cris will call the game. now to new york. >> with the birthday boy, tony dungy. how old? >> 5-8. >> dan: headlines from the early games. what do you have for me? >> new orleans saints. get a big win in chicago. go to 5-0. they are the best in the nfc. >> the kansas city chiefs, not believing the hype but showing maturity. >> dan: time for the seven best plays of the day selected by your tweets and our "football night in america" crew. starting with aaron rodgers and the packers. snap to rodgers. good protection. left side. he's got a man open. >> down the sidelines for the packers, into the clear. touchdown!