Iraqi officials say bombing attacks have killed nearly 60 people on Tuesday.
In the worst violence, a double car bomb attack killed at least 48 people and wounded more than 100 in the northern town of Tal Afar. Hours earlier, a suicide bomber killed 10 people and wounded 25 outside the city of Ramadi.
Earlier in the day, the U.S. military announced the capture of two alleged leaders of a car bomb network believed responsible for killing about 900 Iraqis.
On the political front, Iraq's prime minister and president have introduced legislation to make it easier for former members of Saddam Hussein's Baath party to resume working in government and security positions. Deputy Prime Minister Barham Salih said the measure is necessary for national reconciliation. The cabinet and parliament still must approve the legislation.
Monday, the outgoing U.S. ambassador to Iraq said U.S. and Iraqi officials are holding talks with some insurgent groups as part of reconciliation efforts. Zalmay Khalilzad said the talks are aimed at isolating al-Qaida in Iraq.
The U.S. military also announced today that a Marine died late last week during combat operations in al-Anbar province.