The Western powers suspended Moscow from the G8 group of advanced economies following last March's reunification of Crimea with Russia, backed by 96 percent of the peninsula's voters at a referendum. The West and Ukraine, however, accuse Russia of an illegal annexation, as well as of providing military support to eastern Ukraine's pro-independence militia.
Russia, France and Germany brokered a ceasefire agreement between the Ukrainian government and independence forces in Minsk in February, following months of intense fighting. Under the deal, the sides have withdrawn heavy weapons from the line of contact.
Currently, the G7 group comprises Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States.