At least 31 people are killed in bomb blasts across Pakistan , police say . Police : The deadliest blast killed 23 people in Rawalpindi . The bombings primarily target Shiites participating in religious observances . Pakistan Taliban spokesman Ihsanullah Ihsan claimed responsibility for the attacks in Rawalpindi , Karachi and Shangla . - March 19 --
At least 31 people are killed in bomb blasts across Pakistan , police say . Police : The deadliest blast killed 23 people in Rawalpindi . The bombings primarily target Shiites participating in religious observances . - March 19 --