Iraqi Prime Minister Mustafa al Kazemi attended Ashura night ritual at Ammar al-Hakim office.
A Katyusha rocket landed in Baghdad's heavily fortified Green Zone near the US embassy.
The President of Iraq called the reforms in his country a necessity and stressed the need to hold early elections, saying that the elections should be held in an atmosphere of trust and away from manipulation and fraud.
A US-led international coalition's logistics convoy was targeted by a roadside bomb in southern Iraq on Saturday night.
The ambassador of the Islamic Republic of Iran in Baghdad stated that Tehran does not intend to interfere in the internal affairs of Iraq and recognizes the national interests of this country better than any other party.
The Pentagon will cut one-third of US military presence in Iraq, bringing US troops number in the country from about 5,200 down to 3,500.
Shiite Muslims across the world especially in Iraq attend Muharram mourning ceremonies to commemorate the martyrdom anniversary of Imam Hussein (AS) and his companions in the Battle of Karbala in the year 680 A.D.
Iraqi media reported on Thursday night that a rocket had struck near the US embassy in the Iraqi capital, Baghdad.
The Iraqi parliament's foreign relations committee has warned that the United States is trying to delay the withdrawal of troops from Iraq by taking a three-year deadline.
A Syrian Christian on his twitter page wrote that Syrian Christians would have been massacred into non-existence by America's terrorists without Iranian Lt.Gen. Qasem Soleimani.