On Kyiv's central Khreshchatyk Street on Friday, a group of aggressive youngsters approached the police officers on duty, starting a brawl.
Eight people were initially apprehended for aggressive behavior, while four police officers sought medical assistance.
Subsequently, a video of the incident appeared.
Metro police later revealed the details of today's conflict on Khreshchatyk.
Three foreign nationals, citizens of Belarus, have been detained following the incident. A pre-trial investigation has begun.
"Into this fact, the investigative office of the Pechersk district unit of Kyiv PD launched criminal proceedings under Art. 345 Part 2 of the Criminal Code of Ukraine (threat or violence against a law enforcement officer), and three citizens of the Republic of Belarus were detained in accordance with Art. 208 of the Criminal Procedure Code of Ukraine," the statement reads.