Dashcam footage captures the explosion on Interstate 405 in Los Angeles that caused the Getty fire.<br /><br />Filmed on October 28, the recording shows a bright blue sharp flash followed by sparks flying across the road.<br /><br />Authorities have said the fire was caused by high winds carrying a tree branch into a power line.<br /><br />The Getty fire has burned through 658 acres with 1,100 firefighters tackling the blaze.
