Sudan’s military rulers forcefully broke up a weeks-long sit-in outside Khartoum’s army headquarters on Monday leaving at least 13 dead, a doctors’ committee said as gunfire echoed from the site. Heavily armed security forces in pick-up trucks mounted with machine guns were deployed in large numbers all around the capital, while gunshots were heard from the protest site by an AFP journalist. The United States and Britain called for an end to the crackdown on demonstrators, who want the generals behind the overthrow of veteran president Omar al-Bashir to hand over to civilian rule. The Central Committee of Sudanese Doctors, which is close to the protesters, updated the death toll  ”raising the number of martyrs to 13″ in a Facebook statement. It also reported a “large number of critical casualties” and called for “urgent support” from the International Committee of the Red Cross and other humanitarian organisations to help the wounded. The military council has denied multiple reports of their forces violently dispersing the sit-in in front of army headquarters, as protesters took to the streets in towns around the country. ...