(NewsNation) — Customs and Border Protection (CBP) officials say Latin Kings street gang leaders have issued a "shoot on sight" order targeting agents involved in Operation Midway Blitz in Chicago, NewsNation has learned.

"Officer/agents are reminded to maintain heightened situational awareness and exercise extreme caution when conducting enforcement activities," the agency's internal warning said.

News of the alert comes after shots were reportedly fired at federal agents during an immigration enforcement operation in the city's Little Village neighborhood on Saturday. The Department of Homeland Security says a group of people also threw a paint can and bricks at a Border Patrol vehicle.

A DHS spokesperson wouldn't comment on the reported Latin Kings threat but added "our law enforceme

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