Activists of religious party Jamaat Ahle Sunnat shout slogans as they sit in a protest against the Pakistani forces operation in Quetta on February 22, 2013, after the bomb attacks on Shiite Muslims . Attacks targeting Shiites in Pakistan have claimed almost 200 lives already this year. Human Rights Watch said more than 400 were killed in 2012, the deadliest on record for Shiites.