I am so deeply saddened by the loss of life, especially that of an innocent bystander and an infant," Salt Lake County Mayor Jenny Wilson said in a statement

As prosecutors consider potential criminal charges against the man whose alleged actions caused the shooting death of another man during Saturday's "No Kings" protest, the investigation into the so-called "peacekeeper" who actually fired the fatal shot also continues.

The West Valley Police Department is expected to provide an update on the deadly shooting that took place at the WestFest carnival late Sunday night, including releasing the identities of the 18-year-old and 41-year-old victims.

Utah resident Arthur Folasa Ah Loo, 39, was shot and critically wounded during the protest in Salt Lake City on Saturday, June 14. He later died in the hospital from his injuries, the Salt Lake City Police Department confirmed in a news release.

A crazed gunman was taken into custody Saturday night after allegedly opening fire on thousands of protesters during a "No Kings" march, which left one person critically injured, Utah police said.

After a targeted shooting killed a former house speaker and her husband in Minnesota on Saturday, Utah leaders are speaking out.