At least 34 cars were burnt when a fast-moving grass fire swept through a parking lot at a festival in Niagara-on-the-Lake, Ontario, on July 8, CP24 reported.The sound of explosions can be heard in eyewitness Denise van Es’s footage, which shows the fire burning among cars in the lot at the Ontario town’s annual Lavender Festival. Credit: Denise van Es via Storyful