Friday with a man who has seized control of the city

Al-A'mash says: The companions of Sayyiduna Abdullah (may Allah be pleased with him) used to pray Jumu'ah with al-Mukhtar al-Thaqafi and would count it as Jumu'ah.

Yazid bin Abi Sulayman says that Abu Wa'il performed Jumu'ah with al-Mukhtar al-Thaqafi.