** FILE ** Pakistani workers of political party Muttahida Qaumi Movement (MQM), hold placards during a protest to condemn the killing of foreign tourists by militants, in Karachi, Pakistan, Sunday, June 23, 2013.  (AP Photo/Fareed Khan)

Photo by: Fareed Khan

** FILE ** Pakistani workers of political party Muttahida Qaumi Movement (MQM), hold placards during a protest to condemn the killing of foreign tourists by militants, in Karachi, Pakistan, Sunday, June 23, 2013. (AP Photo/Fareed Khan)