Iran's president says Syria's Assad must stay in power

Iran’s president has said Syrian leader Bashar Assad has to remain in power to fight extremist groups like Islamic State (IS), and must not be weakened.
Hasan Rouhani told a meeting with scholars and think-tank experts that Iran would co-operate with any country that puts fighting and defeating “terrorism” as its top priority, but could not work with any government that made a change in Syria’s regime its top priority.