Western leaders have threatened to increase sanctions on Russia on the eve of Vladimir Putin’s visit to Greece.
EUobserver: EU and US threaten to increase Russia sanctions
(L to R) US President Barack Obama, Japan's Prime Minister Shinzo Abe, French President Francois Hollande, Indonesia's President Joko Widodo and Britain's Prime Minister David Cameron wave as they join other leaders of the Group of Seven nations for a family photo with other invited world leaders at the G7 Summit in Shima in Mie prefecture on May 27.
