Head of Batkivschyna party Aseniy Yatsenyuk smiles as he speaks to journalists after he was attacked and doused with medical brilliant green by two unknown persons after he left the Central Clinical Hospital in Kharkiv on February 12, 2014. Yatsenyuk left the hospital after a meeting with jailed former Prime Minister Yulia Tymoshenko.. AFP PHOTO/ SERGEY BOBOK

TOPSHOTS Head of Batkivschyna party Aseniy Yatsenyuk speaks to journalists after he was attacked and doused with medical brilliant green by two unknown persons after he left the Central Clinical Hospital in Kharkiv on February 12, 2014. Yatsenyuk left the hospital after a meeting with jailed former Prime Minister Yulia Tymoshenko.. AFP PHOTO/ SERGEY BOBOK