Russia said Monday it has summoned the Japanese ambassador in Moscow after Tokyo lodged a strong protest over Russian President Vladimir Putin's recent visit to the disputed Etorofu Island.Ambassador Akira Muto will appear at the Russian Foreign Ministry on Tuesday, ministry spokeswoman Maria Zakharova said, according to Tass news agency.Russian Foreign Minister Sergey Lavrov said earlier that his ministry had summoned Muto, but that the Japanese Embassy had replied that he was unable to appear either last Friday or Monday, citing factors including a health issue.On Thursday, Putin visited …READ FULL ARTICLE