SAN FRANCISCO (CBS SF) — A brawl forced the temporary lockdown of San Francisco’s downtown Westfield Mall Sunday evening and ended with several people being detained, authorities said.

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A San Francisco police spokesman said calls came in around 6:43 p.m. reporting a large fight at the mall.

Videos posted on social media showed a chaotic scene with arriving officers struggling to subdue several individuals. As a precaution the mall was locked down for a short time and then finally closed for the night early while police attempted to control the violence.

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Officer Robert Rueca said a number of fights were occurring as bystanders were watching.

He said officers tried to detain several people some of whom resisted and would not obey officers.

As officers attempted to stop the fighting, they were attacked and assaulted.

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To help control the situation the mall was closed. Rueca said a number of people have been detained. One officer was injured.