one witness told "the dallas morning news" that a woman was concerned her safety bar wasn't secured before the texas giant coaster started moving friday night. six flags over texas spokeswoman said the coaster has been closed while officials investigate the deadly accident. now to a major storm that hit las vegas. it roared into the area friday, flooding streets, downing trees, and damaging several homes. the storm ripped holes in the roof of this bar on the strip, allowing water to come pouring into the building. and here in the northeast, it looks as though we're going to finally get a reprieve from the extreme heat, finally. a cold front is moving in. it will produce some wet weather and it will also drop temperatures, which is good news. in boston, folks there will be looking at a high of 79 on sunday. that's after the high 90s on saturday. even here in new york, we'll drop below 90. again, finally. a deadly day in baghdad. at least 41 people were killed