Pakistan Suicide Bombing - Feb. 17, 2015

Pakistani police officers and a volunteer rush an injured person to a hospital after a bombing in Lahore, Pakistan, Feb. 17, 2015.

Cars are damaged after an apparent suicide bombing in Lahore, Pakistan, Feb. 17, 2015.

Policemen and residents gather at the site of an explosion outside the police headquarters, in Lahore, Pakistan, Feb. 17, 2015.

Pakistani police officers and volunteers rush an injured man to a hospital after a bombing in Lahore, Pakistan, Feb. 17, 2015.

A Pakistani police officer stands guard at the site of a bombing in Lahore, Pakistan, Feb. 17, 2015.

Pakistani women run following an apparent suicide bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015.