According to government documents released by former Deputy Interior Minister Hennadiy Moskal, Russian officials served as advisers to the operations against protesters.Codenamed "Wave" and "Boomerang", the operations involved the use of snipers to disperse crowds and capture the protesters' headquarters in the House of Trade Unions.On 28 February, Yanukovych attended a press conference in southern Russia and answered questions from mostly Russian reporters.
On 21 February, after a failed crackdown that killed as many as 100 people, Yanukovych made some concessions.
On the same day, Yanukovych left for Kharkiv to attend a summit of southeastern regions, according to media reports.
On 22 February, the protesters were reported to be in control of Kiev, and Yanukovych was said to have fled the capital for eastern Ukraine.
It promised constitutional changes to restore certain powers to Parliament and called for early elections to be held by December.
Despite the agreement, thousands continued to protest in central Kiev, and the demonstrators took full control of the city's government district: the parliament building, the president's administration quarters, the cabinet, and the Interior Ministry.