the fields are very fine. they're burning very rapidly. and this fire was probably up to 100 acres within minutes of being reported, if that can give you an idea how fast it's spreading. >> any indication what started it? >> no indication at this point. there is a lot of infrastructure up in the hillsides -- or up in the hills above where this fire is burning now. that's a possibility, but we're going to have to get in there and take a look at it soon. >> we're going to continue following this story, obviously, and have more for you through the morning as it develops. also new this morning, a federal investigation in texas. this after the bureau of alcohol, tobacco and firearms is called in to investigate a suspicious mosque fire. now, the blaze broke out yesterday afternoon after friday prayers. and it took some 80 firefighters to get those flames under control. no one was injured, but the members of the mosque's congregation were shaken.