Authorities in Georgia have released three opposition activists whose arrest yesterday sparked violent clashes in the capital.Critics of President Mikheil Saakashvili have been stepping up their calls for him to resign, with protests outside the country’s parliament. The head of the Orthodox Church in Georgia is reported to have called for the release of the activists to try to calm the situation. Last night’s violence broke out when protesters gathered outside a police station where the opposition members were being held. The three detainees are reported to have been held in connection with the beating up a journalist from the state broadcaster. Twent two protesters and six police officers were hurt in the clashes. The unrest came just a day after authorities put down a brief military uprising by a tank batallion.