A series of bomb attacks has killed 88 people and wounded 165 people in the Iraqi capital Baghdad.
The two car bombs targeted a market in central Baghdad.
Police said the attacks at the Shorja market came shortly after a roadside bomb at another market in the capital killed five people and wounded more than 30.
The attacks came as Iraqis marked the first anniversary of a Shia shrine bombing in Samarra that has pitched the country to the brink of civil war.
The bomb detonated precisely at the end of a 15-minute pause in work ordered by the Iraqi government to mark the anniversary.
The Iraqi Prime Minister, Nuri al-Maliki, and Shia clerics had urged Iraqis to stop what they were doing at midday local time (9am Irish time) to remember the attack.
It may also have been a defiant response to the launch of a citywide crackdown by Iraqi security forces designed to put an end to Baghdad's sectarian bloodletting.
The wholesale Shorja market has been bombed several times in the past.
Ramadan ordered to be executed
The Iraqi High Court has ruled that Saddam Hussein's former vice president should be executed.
Judge Ali al-Kahachi sentenced Taha Yassin Ramadan to death by hanging for his role in the killing of 148 Shia men from the town of Dujail in the 1980s.
Ramadan was sentenced in November to life in jail for the killings, for which Saddam and two other men have already been hanged.
An appeals court recommended that he receive the death penalty and had referred the case back to the trial court for a final decision.
New York-based Human Rights Watch had urged the court not to impose the death penalty, saying there had been a lack of evidence tying Ramadan to the Dujail killings.
UN human rights chief Louise Arbour last week also urged the court to spare Ramadan's life, saying a death sentence would break international law.