Celebration of the Belarusian National Republic 90th anniversary in Minsk ended with mass arrests and cruel beating of people. Hundreds of policemen and riot policemen were thrown against participants of the demonstration. More than 100 people were detained. Many persons were beaten. As detained activists said to Chater’97 press center, emergency took demonstrators with broken ribs and head injuries. 5-7 thousands of people took part in the action, held in different parts of Minsk.