Two Chinese nationals were killed, one Chinese national injured, and several Pakistani nationals were killed and injured in a terrorist attack in Pakistan's southern port city of Karachi on Sunday night, the Chinese embassy in Pakistan confirmed. The attack happened at about 11:00 p.m. local time on Sunday (1800 GMT) when a convoy from the Port Qasim Electric Power Company was attacked by terrorists near Jinnah International Airport in Karachi, the capital city of the country's south Sindh province, the embassy said in a statement. Conflicting accounts emerged in the wake of the powerful explosion, which was heard across town...