Iraq's security forces have come under huge pressure from the ISIS advance
Media playback is unsupported on your device
Video

Iraq conflict: Clashes on approaches to Baghdad

Iraqi government forces are engaged in heavy clashes with Sunni insurgents who have made major advances in the past week.

Parts of the city of Baquba - just 60km (37 miles) from Baghdad - were briefly taken over by the rebels.

Reports say 44 prisoners were killed during fighting at a police station in the city.

Emily Buchanan reports.

Go to next video: Iraqi Kurd PM predicts Iraq split