actor1: Unidentified Armed Group (Pakistan)
actor2: Police Forces of Pakistan (2013-2018)
notes: Four policemen including Senior Superintendent of Police (SSP) were killed and ten injured in a powerful bomb blast at Lyari Expressway, near Essa Nagri.No group has claimed responsibility for the attack.
target_text: actor1: Unidentified Armed Group (Pakistan), actor2: Police Forces of Pakistan (2013-2018)