Trump officials says federal agents shot in self-defence, as Pretti's parents accuse them of "sickening lies".

As investigators continue to gather evidence on Saturday about the second fatal shooting this month of an American citizen in Minneapolis at the hands of a federal agent, more information is emerging about the victim, Alex Pretti.

In the state of Minnesota’s lawsuit against the Trump administration over Operation Metro Surge, Minnesota Solicitor General Liz Kramer and Minneapolis officials have sent a letter to U.S. District Judge Kate Menendez pleading with her to take action and provide the state with what they call the “urgent” emergency relief it needs.

By Tim Evans and Andy Sullivan MINNEAPOLIS, Jan 24 (Reuters) - U.S. immigration agents shot and killed a U.S. citizen in Minneapolis on Saturday, officials said, sparking fierce protests and condemnations from local leaders in the second such incident this month.

5 p.m. Some 75 protesters gathered outside the Portland ICE building by mid-afternoon. Another 300 gathered at Elizabeth Caruthers Park down the street before marching to Portland ICE. Speakers condemned the latest shooting and called for federal immigration agents to decamp the city.

A person is dead after a shooting in Minneapolis earlier on Saturday involving federal immigration agents from Customs and Border Protection, a U.S. official with knowledge of the incident tells CBS News.

The Minneapolis man shot and killed by a Border Patrol agent today has been identified as Alex Pretti. Trump administration and Minnesota officials offer starkly different accounts of the shooting. Follow for live updates.

Democratic officials and protesters on the streets are demanding that federal immigration officers leave Minnesota after a Border Patrol agent fatally shot a man in Minneapolis.

Gov. JB Pritzker and Chicago Mayor Brandon Johnson spoke out after ICU nurse Alex Pretti was was killed in a Minneapolis shooting by federal agents, the second person to be fatally shot in less than a month.

Republican Sen. Bill Cassidy calls for full investigation after a Border Patrol agent shot and killed a man in Minneapolis during a DHS operation on Saturday.

Minutes after federal agents killed 37-year-old Alex Pretti in Minneapolis, dozens of protesters arrived at the scene.

An encounter with white separatists decades ago led to new deadly force policies for some federal law enforcement. Minneapolis is raising questions about whether it's again time to revisit the issue.