Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. 4 Pakistani Stock Exchange Attackers Killed VOA News KARACHI, PAKISTAN - Pakistani security forcessay theyhave killedfourassailantswho attacked the Pakistan Stock Exchangebuildingin Karachi. The attackers entered the building Mondaymorningafteropening fire with guns and grenades. Twoother peoplewerealsokilled in the attack and thereweremultiple injuries. There has been no claim of responsibility. .