On December 18, at 1:30pm, an explosion occurred in Shershah The blast took place due to the accumulation of gas in an illegally covered nullah Sindh health minister confirms 14 people killed, multiple injured Fourteen people were killed and multiple injured after a building near the Paracha Chowk in Karachi s Shershah collapsed following an explosion Saturday afternoon. Rescue officials, Rangers, and police have reached the site. The injured people are being moved to the CHK Burns Unit and Jinnah Postgraduate Medical Hospital. According to authorities, several people are trapped under the debris. Efforts are underway to rescue them. Workers of the Chhipa Foundation and.