U.S., Russia speak of cooperation but no breakthroughs

U.S. Secretary of State John Kerry (L) shakes hands with Russian Foreign Secretary Sergey Lavrov before a bilateral meeting in Sochi, Russia May 12, 2015. Kerry hopes to explore Russia's willingness to curb its involvement in Ukraine and its support for Syria's president at talks on Tuesday with President Vladimir Putin. REUTERS/Joshua Roberts

SOCHI, Russia (Reuters) - Top U.S. and Russian officials said they hoped to work together on contentious issues such as the conflicts in Ukraine and Syria but offered no sign of concrete progress after more than eight hours of talks on Tuesday.

U.S. Secretary of State John Kerry met for more than four hours each with Russian President Vladimir Putin and Foreign Minister Sergei Lavrov to discuss topics including the Iran nuclear talks as well as the civil strife in Yemen and Libya..