Pakistani paramedics treat an injured bus driver at a hospital in Quetta on May 29, 2015 after unidentified gunmen stormed two passenger coaches in southwest Pakistan, killing at least 19 people (AFP ... more 
Pakistani paramedics treat an injured bus driver at a hospital in Quetta on May 29, 2015 after unidentified gunmen stormed two passenger coaches in southwest Pakistan, killing at least 19 people (AFP Photo/Banaras Khan) less 
1 / 30
AFP | Photo By Banaras Khan / AFP
Fri, May 29, 2015 6:23 PM EDT