Minnesota state Representative Melissa Hortman and her husband Mark were killed in a shooting at their home on Saturday morning.

Officials have expressed caution around the nationwide “No Kings” protests after two Minnesota state lawmakers and their spouses were shot early Saturday. One lawmaker and her husband died while the other two survived with severe injuries.

No Kings protests are happening across the United States on Saturday. Here's live coverage of the protests in Minnesota.

A man disguised as a police officer shot and killed Minnesota Rep. Melissa Hortman and her husband, and injured Sen. John Hoffman and his wife. The suspect, Vance Boelter, is still at large, and authorities found a manifesto in his car listing other potential targets.

DPS has not released the name of the man, who it said was arrested on a misdemeanor traffic charge Saturday afternoon and taken in for questioning. A gun in the man's possession was seized, DPS said in a Monday afternoon news release.

Dozens of protests are planned Saturday across Minnesota, part of a nationwide demonstration against the Trump administration. The so-called "No Kings Day" demonstrations coincide with President Trump's planned military parade for the Army's 250th anniversary,

Thousands marched and rallied peacefully during the No Kings OKC protest on June 14, the same day as the U.S. Army 250th Anniversary military parade.

At least one person was critically injured Saturday in a shooting at a protest against President Donald Trump in Salt Lake City. It came hours after two Democratic lawmakers in Minnesota were shot dead by a gunman.