Crews worked to extinguish a fire threatening several homes after what authorities said was a possible house explosion in Langley, British Columbia, on Friday, February 28.The Royal Canadian Mounted Police (RCMP) said residences in the area were evacuated and that authorities are investigating the cause.Two people were taken to the hospital, according to reports.Footage from Bruce Claggett shows firefighters trying to put out the blaze and prevent it from spreading to neighboring homes. Credit: Bruce Claggett/ @bruceonair via Storyful