Police say the crowd formed at South Delta Secondary School and Dennison Park in Tsawwassen, where officers saw the crowd hit up to 400 youths at one point.

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			5 stabbed in less than hour as Halloween partygoers flood Vancouver streets 	     

“At times, the group developed a mob mentality where individual levels of responsibility evaporated,” police said in a media release Tuesday. “Fireworks were intentionally set off at youths and bystanders, including first responders who were intentionally targeted. Sprinkler heads damaged at Dennison Park football field. Consumer fireworks are illegal in the Delta. Current trend

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Story continues below ad Police reported several attacks, including some using fireworks, and said firefighters had to put out trash fires and put out fires in the area. Several youths were injured, police said, including a girl who suffered “significant injury” from burns caused when her jacket caught fire. Two Delta police officers were also injured. Some property owners also reported property damage and police said noise complaints continued “for hours”. Police have set up an evidence collection portal to help with the investigation. 0:57 Vancouver’s Halloween display shows the horrors of inflation © 2022 Global News, a division of Corus Entertainment Inc.