Nouri al-Maliki urges tribes and residents in Anbar province to expel al-Qaeda-linked fighters to avoid all-out battle.
Bombings, shooting and attacks in Iraq have increased since US troops flew home two years ago.
But the White House denies the US withdrawal has allowed America’s enemies to flourish.
Al Jazeera’s Mike Viqueira reports from Washington, DC.
Source: Al Jazeera