Osama bin Laden warned Iraq’s Sunni Arabs against joining tribal councils fighting al-Qaida or participating in any unity government in a new audio tape posted on the web today.

A car bomb struck a bakery crowded with customers lining up for bread today, killing at least 11 people as they ended their daytime Ramadan fast, officials said.

The most prominent figure in a US-backed revolt of Sunni sheikhs against al-Qaida in Iraq was killed today by a bomb planted near his home in Anbar province, 10 days after he met with US President George Bush, Iraqi and US officials said.

US President George Bush is set to ask the US for more time to let success bloom in Iraq even as the assassination of a Sunni sheikh who revolted against al-Qaida sent a chilling reminder of the pervasive instability there.

The most prominent figure in a revolt of Sunni sheikhs against al Qaida in Iraq was killed today in an explosion near his home in Anbar province, Iraqi police and tribal leaders said.