The suspect was tracked with the help of surveillance photos taken in the area of one of the fires, at Bed, Bath and Beyond.
Unsettled weather will continue through the work week. Expect partly cloudy skies today with highs near average. The next chance for showers will arrive early tomorrow morning.
The man made the broadcast Monday evening, and the video was made inaccessible by Facebook late Tuesday afternoon.
Expect changes at Pyramid & McCarran and Rock & Prater.