NEW : At least 33 killed in 5 bombings . Tikrit is about 160 kilometers ( 100 miles ) north of Baghdad . The explosions targeted Shiite pilgrims in Iraq for a religious observance . Police say 2 of Salaheddin Gov . Imam Hussein guards are wounded in another blast .
NEW : At least 33 killed in 5 bombings . The explosions targeted Shiite pilgrims in Iraq for a religious observance . Police say 2 of Salaheddin Gov . Imam Hussein guards are wounded in another blast .