This friday night. The urgent six in ukraine, there are reports that russian president Vladimir Putin is moving his troops into that country, and putting the United States and the whole world on a kind of hair trigger. Late today, president obama personally warned, if putin is, there will be costs. Terry moran reports on the crisis in ukraine as tensions are rising at this hour. At dawn, bands of armed man appeared at the two main airports at crimea and seized control. They wore uniforms with no insignias or identification. Their trucks had no license plates. And they spoke russian, not ukrainian. That was the start. Convoys were seen along the roads. President obama spoke at the white house soon after the russian incursion. We are concerned about recent reports of military movement taken by russian inside the ukraine. Reporter in yuan crane, a country on the edge of civil war, a war that could drag in russia, europe and even the u. S. , frightening developments. We are on the edge not of the new cold war, but we are on the edge of hot war. Reporter the real danger is that ukraine is torn between russia on the one hand, so close and so powerful, so bound to it by history and language and the west on the other side with its promises of freedom, democracy and prosperity. Where they moved in today, in crimea, russian is the main language. They welcomed these maz troops. To them, this is still their rightful president. He fled the capital city of kiev, as protesters took over there, he finally appeared in russia at a raucous press conference and declared, i am ready to fight for the future of ukraine. But tonight, all eyes are on one man putin and what hell do next. I want to bring in jonathan karl, so jon, tell us where we stand at this moment, does the white house believe that russia has invaded ukraine and that requires a military response . Well, look, the white house is not saying that, the president referred to reports of an invasion, but make no mistake, diane, you wouldnt have seen the president of the United States come out on National Television and make a Statement Like that if he had any reason to doubt that the Russian Military is behind of what were seeing in ukraine. No discussion of u. S. Military involvement. The president talked about response and cost. What will happen first, next . Theyre deeply concerned about this, the president said very clearly there will be costs. You heard that in terrys story. They havent specified this. The russians are hosting a major summit of eight of the top world economies in june, in sochi, russia, the United States could boycott that and european nations. First thing may be to isolate him more democracy . Je. Now, well head out to west to that storm so big it inspires respect everybody as seen from space, it is a monster, a super soaker, about to march east, where winterweary residents are once again face act lot of snow. Abcs ginger zee in california. Reporter almost a nonstop rain. This is los angeles river, it has rapids in it, usually its a trickling stream, close to halffoot of rain in some places. A whole lot more than we is seen since 2011. California, overflowing that was a sidewalk reporter from mud and rockslides to a swiftwater rescue along the rushing los angeles river. Two men and their dogs clinging to this fallen tree. Watch, as they pull one dog then the next into the boat. So much of the rain merely denting the remarkable drought but coming too much too fast for some. Were evacuating, were getting ready to get everybody out. The muds coming down, weve got to go. Reporter at the foothills of San Gabriel Mountains at least 1,000 homes evacuating, intermittent mudslides leaving behind trails of debris. Even though a majority of this initial slide came down already, you can see the problem, why the road is closed. This is not road. This is leftover mud, thick throughout the streets. The heaviest rain in almost three years drenching the state with two to six inches already. The winds taking out trees, knocking out power for at least 30,000. Just look at that storm, the center, churning through the pacific and its far from done with california, watch the clock on the top bar. Heavy bands of rain will come in and out for the next 48 hours. Another three to four inches of rain north of los angeles, adding to what is already more rain in three days than parts of california has seen in the past year. Now, this same storm is going to rocket east after sunday and give snow for the great lakes and northeast. Let me show you how much is expected at least in some of the computer models right now, that pink is six to 12 inches. Some places will get heavier than that. Ginger zee, once again, tracking a storm coast to coast. Thank you, ginger. Now, a verdict on a big with thek here in new york. Head line tonight. 911 tapes released today takes us inside the chaos of ft. Lee. Jammed the worlds busiest bridge. You are aware the town is total grid welcome. Reporter warning First Responders firefighters, police, it is not a normal day within ft. Lee square miles. Were getting calls from irate motorists. Reporter now forevery known as ft. Lees traffic armageddon. Despite that noise, governor Chris Christie insists he was kept in the dark. One of the influential counties wailing about the traffic. He insists that he didnt know about those medical i cant imagine how complex and complicated that is. Reporter produced by roma downey and her husband, it was shot in morocco. The story never gets tired. From jesus of nazareth. Im the light of the world. To the recent hit miniseries the bible, son of god is actually edited from this footage. The producers say their message is love. Steve osunsami, abc news, atlanta. And up next right here tonight march madness. The basketball game that erupted into mayhem on the court, the call tonight to change the rules when i ces to celebrating a win, is a crackdown coming on the fans . Were back in two minutes. Ask your doctor about cialis for daily use and a 30tablet free trial. My sinuses are acting up and ive got this runny nose. I better take something. Truth is, sudafed pe pressure and pain wont treat all of your symptoms. Really . Alka seltzer plus severe sinus fights your tough sinus symptoms plus your runny nose. Oh what a relief it is ill believe it when i [ both ] oooooh. [ female announcer ] as you get older, protein is an important part of staying active and strong. Ensure high protein. Fifty percent of your daily value of protein. Low fat and five grams of sugars. [ major nutrition ] ensure. Nutrition in charge i takbecause you cant beatrning for zero heartburn. Woo hoo [ male announcer ] prilosec otc is the number one doctor recommended frequent heartburn medicine for 8 straight years. One pill each morning. 24 hours. Zero heartburn. Why do people count on sunsweet pruneits made only from prunes, the inothing else. It works, simple as that. Its a natural source of fiber and 5 essential vitamins. Finally tonight, youre going to meet the person who has been nominated for twice as many as oscars as the secondplace contender. Were talking 49 nominations in all, 49, for a man whos right there inside of some of the biggest movies of all time, from star wars to jaws to indiana jones. Tonight we bring you john williams, whose music plays a starring role and hes our person of the week. When its genius its not really music, its a feeling we think we always had inside. Like star wars, the universe of possibility outside and the universe of menace inside the human heart. Didnt we know dar v