Iraqis Consider Ways to Reduce Power of Cleric

BAGHDAD, Dec. 12 — After discussions with the Bush administration, several of Iraq’s major political parties are in talks to form a coalition whose aim is to break the powerful influence of the radical Shiite cleric Moktada al-Sadr within the government, senior Iraqi officials say.

The talks are taking place among the two main Kurdish groups, the most influential Sunni Arab party and an Iranian-backed Shiite party that has long sought to lead the government. They have invited Prime Minister Nuri Kamal al-Maliki to join them. But Mr. Maliki, a conservative Shiite who has close ties to Mr. Sadr, has held back for fear that the parties might be seeking to oust him, a Shiite legislator close to Mr. Maliki said.

Officials involved in the talks say their aim is not to undermine Mr. Maliki, but to isolate Mr. Sadr as well as firebrand Sunni Arab politicians inside the government. Mr. Sadr controls a militia with an estimated 60,000 fighters that has rebelled twice against the American military and is accused of widening the sectarian war with reprisal killings of Sunni Arabs.

The increasingly anarchic violence was highlighted Tuesday by a suicide car bomb that killed at least 56 people and wounded more than 220 in central Baghdad’s Tayaran Square, an area crowded in the morning with laborers seeking work.