During the protests on the street. Pritytsky, one of the protesters tried to throw an unidentified explosive device at the police officers, but it exploded in his hand.
The man died as a result of his injuries.
"Now an investigative and operational group is working at the scene, all the circumstances of the incident are being established," the message says.
Earlier, traffic police officers of Belarus blocked the entrance to the central streets of Minsk.
The Ministry of Internal Affairs of Belarus announced the arrests of a number of protesters.
The police used gas to disperse opposition supporters in the center of Minsk.