WASHINGTON — Fire investigators in Montgomery County, Maryland are working to determine the cause behind a costly bus fire at the Montgomery County Public Schools bus depot on Crabbs Branch Way near Shady Grove Road. The fire broke out around midnight Saturday morning and it was extinguished about half an hour later. “When units arrived on scene they encountered a school bus fully engulfed in flames,” said Pete Piringer, a spokesman with Montgomery County Fire and Rescue. One school bus was completely destroyed and others were damaged. “There was some collateral damage to two buses that were parked nearby,” Piringer said. Piringer described the bus depot as “a secure parking lot, monitored by cameras and videos.” Investigators are still trying to figure out how the fire started, although Piringer said nothing suspicious has been found and the cause is believed to be accidental. The fire caused more than $100,000 in damage. The cause of fire is under investigation.

U/D MCPS bus lot- the fire is out cause under investigation. No injuries pic.twitter.com/K4L2s1bnVx

— BC Steve Mann (@mcfrsPIO6) May 20, 2017

MCFRS on scene at the Crabbs Branch bus depot. 1 county school bus destroyed by fire, 2 other’s damaged. pic.twitter.com/dVjQznfR9I

— BC Steve Mann (@mcfrsPIO6) May 20, 2017