UPDATE: No injuries, 'reckless smoking' possible cause of Las Vegas fire, authorities say

No one was hurt after an RV caught fire in front of a home early this morning, according to Las Vegas Fire and Rescue. Chopper 13 was over the fire as it quickly spread to the home and a tree near Washington Avenue and Decatur Boulevard. Firefighters say they believe the fire was started because of "careless smoking." The investigation remains ongoing.