Japan's Foreign Minister Seiji Maehara and his Russian counterpart Sergei Lavrov (not pictured) attend a news conference after talks in Moscow, February 11, 2011. Russia warned Japan on Friday that its recent behaviour in a dispute over a group of Pacific islands was unacceptable, maintaining pressure on Tokyo during a visit by Japan's foreign minister. REUTERS/Sergei Karpukhin (RUSSIA - Tags: POLITICS)