As federal immigration officers continue paring down targeted operations in Minnesota, cities are saying the Department of Homeland Security's deployments are costing them thousands of dollars.

CHICAGO — The 7th Circuit Court of Appeals has halted a federal judge’s order restricting immigration agents’ use of force — including riot control weapons like tear gas and pepper balls — against ...

The international chemical weapons watchdog said Friday it had found the banned riot control agent CS in nine samples handed to it by Ukraine from the front line in its war against Russia. The ...