Sudan street battles threaten fragile ceasefire as Turkish plane shot

Concerns truce agreement may not hold despite three-day extension as unrest continues

• Sudan crisis - latest updates

Street battles and gunfire threaten what remains of a fragile ceasefire in Sudan, now hanging by a thread despite a three-day extension of the truce agreement, as a Turkish evacuation plane was shot at as it attempted to land.

The Sudanese Armed Forces, loyal to Gen Abdel Fattah al-Burhan, and its rival the Rapid Support Forces paramilitary group, traded blame for the incident at the Wadi Seidna airbase, 12.5 miles (20km) north of Khartoum on the western bank of the Nile