CAIRO (REUTERS) - Sudanese authorities arrested several top members of the former ruling party late on Saturday (April 20), a senior party official told Reuters.

Those arrested include the acting head of the National Congress Party Ahmed Haroun, ousted President Omar al-Bashir's former first deputy Ali Osman Taha, his former aide Awad al-Jaz, the secretary-general of the Islamic movement Al-Zubair Ahmed Hassan and former parliament chairman Ahmed Ibrahim al-Taher, the source said.

Former presidential aide Nafie Ali Nafie and parliament chairman Ibrahim Ahmed Omar have been placed on house arrest, he added.

(This story is developing)