According to Debkafile, they are:
The authorities were caught unawares by the upsurge of street rallies that followed preachers’ sermons in hundreds of Sunni mosques calling on their congregations to go out and drive the Assads and the minority Allawite sect from power. The Syrian secret service missed the Muslim Brotherhood’s hand in organizing this mass street eruption. The strongest rallying cry came from the influential radical Egyptian television preacher Yussuf Qaradawi who called on Syria’s Sunni community to stand up for its rights as a majority.
The whole of Debka’s analysis is worth reading