MILITIA fighters staged a deadly attack in Sudan's Darfur yesterday, residents said, as doctors said the death toll from a separate attack that began two days earlier in the region had risen to more than 100. The surge in violence will add to concerns about the departure of an international peacekeeping force that stopped patrolling in Darfur on January 1 ahead of its full withdrawal and replacement by a Sudanese force. The latest attack took place close to the town of Gereida, where two residents said an Arab militia had attacked members of the Fallata tribe. One resident, Mohamed Salih,…