Security forces detained two men during the night in Al Haj Yusuf neighborhood in Khartoum. At 3:00 a.m. yesterday they arrested Mohamed Adam Ali, a 25 year old graduate of Sudan University, and Abubakr Omar Ahmad, a 25 year old student of Omdurman Islamic University. They took them to an unknown place. The two men are from Zalingei in western Darfur. The family of the detainees are very worried and they asked lawyers to help the detained men. Al Haj Yusuf is a generally poor area on the northern outskirts of the Sudanese capital.