stand guard

Standing by the passenger door, two federal agents were handcuffing a pregnant woman, a U.S. citizen, angering the crowd that had gathered there and prompting masked agents to stand guard with less-lethal weapons and batons.

A police car stood guard outside the Hortman's house, and bright yellow caution tape surrounded the home, now an active crime scene.

Marines stood guard at the entrance, clutching their guns and shields.

Hundreds of Marines are expected to stand guard in Los Angeles on Tuesday following another night of unrest in downtown Los Angeles that resulted in arrests and a handful of businesses burglarized.

DHS police stand guard at the Metropolitan Detention Center as protesters gather in response to ICE raids.