Heavy gunfire and the roar of warplanes have shattered plans for a ceasefire in the Sudanese capital Khartoum, which was due to start at 18:00 (16:00 GMT).<br /><br />Fighting was reported around the army headquarters by the airport in the city centre <br /><br />Nearly 200 people have been killed in the fighting which began on Saturday.<br /><br />SAD NEWS SUDAN.
