"We have achieved more than satisfactory results, which should mean more to us than conflicting narratives," Armenia's prime minister told the UN General Assembly.
His family links his detention to social media posts opposing new school uniform requirements concerning the wearing of the hijab.
Kordz, who was due to close the festival, said he had received threats from representatives of the ruling party.
The attack followed a spontaneous altercation on a street in Sukhum. The victim was taken to hospital.
