Japan plans to withdraw some of its embassy staff from Ukraine amid the Eastern European country's heightened tensions with Russia, a senior Foreign Ministry official said Friday.The embassy has about 20 staff members and the ministry will keep only those needed to help Japanese nationals living in Ukraine, the official said. Family members of the embassy staff have already begun to leave."In a crisis situation, it's not necessary to keep all staff members there," the Japanese official said.Rising concerns that Russia may invade Ukraine have led to increased diplomatic efforts by the United…READ FULL ARTICLE