Federal agents and city police in St. Paul, Minnesota, clashed with a crowd Tuesday afternoon in the Payne-Phalen neighborhood, where law enforcement deployed chemical irritants onto the gathering protesters.

An ICE arrest of a mother in Fitchburg highlights the delicate balance local police say they’ve had to strike when responding to immigration enforcement actions. Often times, that leaves officers open to criticism from both federal agents and city residents.

Masked federal agents deployed tear gas during a protest in Saint Paul, Minnesota, on Tuesday, November 25, after local police officials said the Department of Homeland Security (DHS) were attempting an arrest in the area.

The Department of Homeland Security on Wednesday announced the arrests of two Virginia brothers accused of plotting violent attacks on Immigration and Customs Enforcement agents — a case that immediately drew national attention amid the ongoing immigration crackdown and heightened threats against federal law enforcement.

Alameda police said they suspect that someone they arrested may have been posing as a federal agent, and that they are now investigating the person's past actions.