Tonight, tens of thousands stranded in the desert after monsoon rain swamped the

Burning Man Festival. And in the Northeast, the potentially record-breaking

heatwave starting this Labor Day weekend. First, that monsoon flooding,

overwhelming Las Vegas authorities investigating a possible drowning

victim tangled in debris, vehicles struggling to get through the high water on

the Vegas strip. Those downpours causing chaos at the Burning Man Festival.

Organizers urging people to shelter in place after the desert turned into a

giant mud pit, closing the one-escape route for most vehicles and

millions in the Northeast tonight bracing for dangerous heat. Our weather team

standing by. Also tonight authorities saying escape convicted killer has been

seen on camera. The manhunt intensifying outside Philadelphia for the

prison inmate convicted of fatally stabbing an ex-girlfriend 38 times.

Homeowners weren't to stay inside as police close in.

Shot at random, a college student gunned down at the start of the school year.

The alleged gunman seen talking to him before opening fire. An affidavit says

the suspect admitted to killing the victim for no discernible reason and

saying he might have shot more people if he hadn't run out of ammunition.

Frightening new video just coming in, the gender reveal horror, a small plane

releasing pink smoke, then crashing to the ground. What we've learned about the

pilot. The search for an arsonist in Louisiana. The investigation now as

officials say the largest wildfire in state history was deliberately set.

An Americans pay tribute to the mayor of Margaritaville, Jimmy Buffett, a

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