ภาพการประท้วงในกรุงเคียฟ

Protesters shield themselves as they clash with police in central Kyiv, Jan. 20, 2014.

Protesters confront police in central Kyiv, Jan. 20, 2014.

Protesters clash with police in central Kyiv, Jan. 20, 2014.

Protesters clash with Ukrainian riot police during a pro-European integration rally in Kyiv, Jan. 19, 2014.

A protester throws a stone towards a burning police bus during clashes with police in central Kyiv, Jan. 19, 2014.

Protesters clash with Ukrainian riot police in Kyiv, Jan. 19, 2014.

Pro-European protesters clash with riot police in Kyiv, Jan. 19, 2014.

Pro-European integration protesters attack a police van during a rally near government administration buildings in  Kyiv, Jan. 19, 2014.

Opposition leader Vitaly Klitschko reacts after he was sprayed with a powder fire extinguisher during a pro-European integration protest in Kyiv, Jan. 19, 2014.