US President Barack Obama condemned the killing of an anti-abortion activist in Michigan as activists and others gathered for a vigil near the site where he was fatally shot.

A man charged with gunning down two people, including an anti-abortion protester, cut his arm in an apparent suicide attempt in jail, prosecutors said, as they disclosed that the man’s mother once worked with another intended victim.

A man killed an anti-abortion protester outside a US high school because he did not like the activist holding a sign with graphic images of a foetus in front of students, authorities said.