On 15 November 2009, in the north-eastern town of Deir al-Zour, Yusuf Abdallah al-Dheeb (يوسف عبد الله الذيب) was arrested from his home by armed gunmen dressed in civilian clothes - the identity of the forces responsible for his arrest remains unknown. To date, his family is still unaware of his whereabouts.
Yussuf al-Dheeb is a member of the National Council of the Damascus Declaration, and is a prominent figure in Deir al-Zour.