Suicide bombers killed 13 people in a pair of attacks today around the Iraqi Sunni city of Ramadi, in what local officials said was part of a power struggle between al-Qaida and tribes that have broken with the terror network.

Roadside bombs killed eight American soldiers in separate attacks today in Diyala province and Baghdad, and a car bomb claimed 30 more lives in a wholesale food market in a part of the Iraqi capital where sectarian tensions are on the rise.