Anbar province has been a stronghold of the Sunni insurgency but many tribes in the region recently switched allegiance, with large numbers of military-age men joining the police force and Iraqi army in a bid to expel al-Qaida in Iraq fighters.
Suicide bombings are an al-Qaida trademark.
Police opened fire as the suicide car bomber sped toward a checkpoint 5 kilometers (3 miles) west of Ramadi, according to police Col. Tariq al-Dulaimi.
Nearby buildings were heavily damaged and police were searching the rubble for more victims of the 11:15 a.m. attack.
Malaysia needs Russia's assistance in maintaining and repairing Su-30MKM fighter jets
Japanese Prime Minister Shinzo Abe said that US army bases will not appear on the southern Kuril Islands in the even Russia delivers them to Japan
Posters for the play "Adam and Eve. Life after Paradise" with pictures of dancers Arsen Aghamalyan and Oksana Vasilyeva were banned in the city of Tver, Central Russia