The Republican senator from Utah suggested in social media posts that the killings were the work of “Marxists,” and mocked Minnesota’s Democratic governor. He later issued a more sober condemnation of the violence.

Utah Sen. Mike Lee is facing outrage and calls for his resignation over social media posts that baselessly claim the man charged with targeting Minnesota lawmakers in shootings during the weekend has ties to the political left.

Sen. Mike Lee's unfounded claims on social media about the slaying of a Minnesota lawmaker have angered his U.S. Senate colleague from the state.