Iraq’s top Shiite cleric made a dramatic return to the violence-wracked city of Najaf today aiming to broker a peace deal to end more than three weeks of devastating fighting between US forces and Shiite militants.

Iraq’s top Shiite cleric is on his way to Najaf today, armed with a new peace initiative and a call for Iraqis to march on the holy city, after he unexpectedly returned home from Britain.