NEW: Officials say Indianapolis shooting suspect "got out of his car and pretty quickly started some random shooting outside of the facility," according to preliminary witness interviews. "There was no confrontation...he just appeared to randomly start shooting."
Six shot dead, including pregnant woman, in "mass murder," Indianapolis officials say
UPDATE: Shootings in downtown Indianapolis amid protests; one person killed. Minneapolis officials say violence has been stopped. D.C. National Guard called in as pockets of violence erupt near White House. MORE:
WATCH: A lioness at the Indianapolis Zoo fatally strangled her mate after living together for eight years, and officials don't know why