American forces pushed deeper into the last remaining insurgent stronghold in Fallujah today, and the Iraqi government rushed massive reinforcements to Mosul in the north, where police lost control in the face of insurgent attacks.

Bombers have targeted four churches in Baghdad and Mosul.

THE top US official in Iraq went north yesterday, meeting with an American-installed city council in Mosul and surveying the challenges he faces in getting that ethnically volatile section of the country moving once again.