A driver plowed a car into a crowd at a street festival celebrating Filipino heritage in Vancouver on Saturday night, killing at least nine people and injuring others.

Some of those attending the festival helped arrest the suspect at the scene, who police identified as a 30-year-old man.

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“It’s something you don’t expect to see in your lifetime,” Kris Pangilinan, a Toronto-based journalist, told Canadian public broadcaster CBC. “[The driver] just slammed the pedal down and rammed into hundreds of people. It was like seeing a bowling ball hit — all the bowling pins and all the pins flying up in the air.”

He continued, “It was like a war zone… There were bodies all over the ground.”