[Street Pharmacist]

Men, women and children fled toward the porch, where another attacker waited with an "AK-47-type weapon," said Stephen Zappala, the district attorney for Allegheny County.

The two gunmen killed six family members at the home in Wilkinsburg, including a woman who was 8-months pregnant.

http://www.cnn.com/2016/03/11/us/pen...ing/index.html