Millions of lovers of Imam Musa al-Kadhim every year gathers in Kazimiyah to participate in special ceremony to honor and mourn for Imam Musa al-Kadhim.
Attacks on Shiite pilgrims killed at least 19 people and wounded more than 50 across the Iraqi capital, police officials said.
Insurgents have unleashed a new wave of attacks in Iraq, killing at least 56, seven of them from militants.