the weekend is off to a bad start for those heading to Vegas from LA, on the 15 through the Cajon Pass

UPDATE 4:29 p.m. PST: Additional vehicles have caught on fire, including a boat and a semi-truck carrying other cars. The 15 Freeway is shut down in both directions and the blaze has exploded to 500 acres.

Found on https://www.facebook.com/NBCLA

found on http://www.kesq.com/news/fastspreading-wildfire-shuts-down-i15-near-hesperia/34227190

Found on http://fox5sandiego.com/2015/07/17/wildfire-in-cajon-pass-closes-15-freeway/

Found on https://mobile.twitter.com/CBSLATom/status/622210899755950080