Russian President Vladimir Putin and US Secretary of State Hillary Clinton are expected to meet on the sidelines of the APEC summit in Vladivostok, Russian president’s aide Yuri Ushakov said on Thursday. Hillary Clinton will lead the US delegation to the summit. The Kremlin aide said that the two officials would certainly discuss Syria. At the same time, it is expected that they will focus on bilateral relations, including those on which the sides have differences, Itar-tass reported.