Tunisia's Salafists prevented from holding congress Clashes broke out between radical Islamists and police on Sunday after Salafist movement Ansar al-Sharia told its followers to gather "in large numbers" near Tunis for its annual congress, defying a government ban. They had been due to hold their congress in Kairouan, the historic city south of Tunis, but were prevented by security forces. Images of security forces in Kairouan