Belarus said on Tuesday that it had detained more than 2,000 people during protests on Monday night against the contested re-election of President Alexander Lukashenko.
The interior ministry said 21 police and security service personnel had been injured, with five taken to hospital.
Opposition leader Svetlana Tikhanouskaya urged her fellow citizens on Tuesday not to oppose the police and to avoid putting their lives in danger, after fleeing to neighbouring Lithuania to be with her children.
