Suicide bombers and gunmen have attacked Iraqi army and police bases on the outskirts of Baghdad, killing at least 12 security forces, officials said.

The assault is taking place about 18 miles from the capital in Abu Ghraib, situated halfway between Baghdad and Fallujah, which is controlled by IS.

Suicide bombers in vehicles and on foot attacked government positions anddozens of militants driving pickup trucks fixed with machine guns attacked from both Fallujah and nearby Garma, army and police sources added.

Officials say the situation is ongoing.