Tennessee grocery store attack: ‘He kept on shooting’

People embrace following a shooting Thursday at a Kroger's grocery store in Collierville, Tenn. (Patrick Lantrip/Daily Memphian via AP)

COLLIERVILLE, Tenn. — A gunman attacked a grocery store in an upscale Tennessee suburb on Thursday afternoon, killing one person and wounding 12 others before he was found dead of an apparent self-inflicted gunshot wound at the store, authorities said.