An anti-government protester stands at a barricade as woman looks on near Independence Square in Kiev, January 30, 2014. Ukrainian President Viktor Yanukovich has gone on sick leave with a respiratory ailment, his website said on Thursday, with the issue of a new prime minister still undecided. Yanukovich's prime minister, Mykola Azarov, resigned on Tuesday in the midst of mass street unrest and the president has yet to appoint a successor. Serhiy Arbuzov, who was Azarov's first deputy, has stepped in as interim prime minister. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)