(CNN) — Senior Border Patrol official Gregory Bovino is accused of throwing at least one tear gas canister into a crowd of protesters in a Chicago neighborhood Thursday in a potential violation of a judge’s order restricting federal agents from using aggressive crowd control tactics during anti-ICE protests.

A new court filing against the Department of Homeland Security alleges Bovino “apparently threw tear gas into a crowd without justification” during a protest against federal immigration authorities in Chicago’s Little Village neighborhood.

The notice of alleged violation was filed by a combination of media groups, individual protesters and Chicago-area clergy members who earlier this month obtained a temporary restraining order from US District Judge Sara Ellis after suing DHS a

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