The young boy was stabbed in the stomach during a mass brawl at a cafe.
The boy was taken to hospital in serious condition.
Later Ukrainian citizen Vasyl Palok and local resident Dmitry Pirogov were detained. According to investigators, those persons scuffled with the Azerbaijani citizen. Then they continue scuffling at the cafe.
A criminal case has been launched into the fact. It is reported that Vasyl Palok will face arrest, Pirogov will be released on bail.