The ruling bars agents from using pepper spray, arresting, detaining, or retaliating against peaceful protestors.

A federal judge ruled Friday that agents carrying out the Trump administration’s sweeping immigration operation in Minnesota can’t arrest or deploy certain crowd-control measures against anyone “engaging in peaceful and unobstructive protest activity.

Minnesota judge Kate Menendez bars ICE and Border Patrol from using tear gas against peaceful protesters during Operation Metro Surge in Minneapolis following deadly shooting of Renee Good.

Separately, the Justice Department is investigating whether Minnesota’s governor and the mayor of its largest city conspired to impede federal immigration officers.

A federal judge ‌in ​Minnesota on Friday ordered U.S. ‌immigration agents deployed en masse to Minneapolis to ​curb some of the tactics they have used against observers and protesters of ‍their enforcement actions.

It comes as fresh details emerged in the death of a Minneapolis woman shot last week by an ICE agent in the city.

A federal judge barred ICE agents from retaliating against peaceful protesters and observers in Minnesota. Why it matters: Minnesota officials have banked on federal courts stepping in to deescalate tensions around the Trump administration's increasingly forceful immigration enforcement campaign in the Twin Cities.

Minnesota Governor Tim Walz and Minneapolis Mayor Jacob Frey are being investigated for allegedly obstructing law enforcement activities.