Three Iraq clerics killed.

Insurgents have assassinated three clerics in Baghdad in an escalating wave of violence that authorities fear is aimed at sparking civil war.

Al-Qaeda's wing in Iraq also warned the country's Sunni Arabs to take no part in drafting a new constitution, in another sign militants are trying to fuel sectarian tensions.
Guerrillas shot two Shiite clerics in Baghdad overnight.

Mani Hassan, a member of a leading Shiite Islamist party, was killed outside his house, and Muwaffaq Mansour was ambushed in his car by gunmen.