"The State Border Guard Service is conducting an internal investigation into this incident. Written statements were submitted to the police. Therefore it is too early to draw final conclusions.
"However, the preliminary findings indicate that the border guards were beaten up by unknown individuals. The conflict was triggered by the security guards but several young people arrived and joined the beating.
"Two border guards including a female officer were injured in the attack. The male border guard has his jaw broken and numerous bruises. The female has a concussion and numerous bruises.
"The act of aggression took place after the border guards asked why the cafe had no menu in Ukrainian," Slobodian said.
The conflict which subsequently emerged into a fight took place at the RedCups RDCP Lounge cafe in Mariupol on June 17. A Lieutenant Colonel and a press officer of the State Border Guard Service of Ukraine were hospitalized as a result.