A Ukrainian student has told the BBC he was tortured by riot police after being arrested during violent clashes in Kiev on Monday night.
17 year old Mikhailo Niskoguz, his cuts covered with a green antiseptic, says he was brutally beaten after being arrested at at demonstration:
"All I felt was pain. Their eyes were red, and when I looked into their eyes, I could see they were enjoying it," he says, wincing as he speaks.
His face and body is covered in cuts and bruises. He has a deep gash across his forehead, which has been treated with a green antiseptic fluid. His arm is broken and bandaged.
"The special forces took me. They beat me severely. They hit me with batons, cut me with a knife," he says.
"They undressed me. They made me walk naked," he says, describing how he says the police made him sing the national anthem before taking turns to beat him and slash him with knives in the freezing weather.
"They started cutting me across my anus," he adds. "They only called an ambulance after four hours."
17 year old Mikhailo Niskoguz, his cuts covered with a green antiseptic, says he was brutally beaten after being arrested at at demonstration:
"All I felt was pain. Their eyes were red, and when I looked into their eyes, I could see they were enjoying it," he says, wincing as he speaks.
His face and body is covered in cuts and bruises. He has a deep gash across his forehead, which has been treated with a green antiseptic fluid. His arm is broken and bandaged.
"The special forces took me. They beat me severely. They hit me with batons, cut me with a knife," he says.
"They undressed me. They made me walk naked," he says, describing how he says the police made him sing the national anthem before taking turns to beat him and slash him with knives in the freezing weather.
"They started cutting me across my anus," he adds. "They only called an ambulance after four hours."