tonight, as we come on the air, the state of emergency right now. a dangerous night ahead. the fire exploding in size. homes burning. thousands now fleeing. and tonight, authorities say the fire was set. our team is on the scene. tornadoes touching down in the northeast. two confirmed now. homes ripped apart. rob marciano standing by. a disastrous day for facebook. the plummet. the worst drop in one day for a single company ever, losing nearly $100 billion. president trump igniting that trade war, now telling american farmers, be a little patient. and today, saying, you're not going to be too angry with trump. tonight, what american farmers are telling us. also breaking, following the