ankara turkey investigate report 11 turkish folk dancers apply asylum attend folk dance festival hungarian capital budapest state-run news agency anadolu say ankara prosecutors launch investigation dancers receive special passports attend festival five dancers group 16 return turkey clear remain dancers may seek asylum hungarian immigration office say submit asylum request hungary give detail folk dance team ankara arrive nov four days event private dogan news agency say team previously attend event bosnia herzegovina july whole team return turkey afterwards accord media report immediately clear dancers seek refuge turkey jail 50,000 people aftermath fail coup attempt last year seek thousand others allege tie coup turkey investigate report folk dancers seek asylum