A smiling Russian President Vladimir Putin was seen high-fiving Saudi Arabian Crown Prince Mohammed bin Salman as the world's top economic leaders sit down for the G-20 summit in Argentina.
Tensions at the Group of 20 were raised on a number of issues, including how the Saudi crown prince was to be received by world leaders in the wake of the gruesome slaying of journalist Jamal Khashoggi in Saudi Arabia's Istanbul consulate.
Saudi Arabia has denied that Crown Prince Mohammed bin Salman played a role, but some leaders may be cool toward him to avoid seeming to legitimize a man who U.S. intelligence agencies concluded ordered the killing.
Russian President Vladimir Putin, who arrived in Buenos Aires on Friday morning, is involved in a dispute with Ukraine, Russia recently seized three Ukrainian vessels and crews. Russia said Ukraine didn't have permission to pass between Russia's mainland and the Crimean Peninsula. Ukraine insisted its vessels abided by maritime laws
US President Donald Trump canceled an expected Saturday meeting with Putin over Russia's seizure of Ukrainian vessels.