Japan protests Russian PM's visit to disputed island

TOKYO/ITURUP (Reuters) - Japan on Saturday lodged a protest over Russian Prime Minister Dmitry Medvedev's visit to one of four Pacific islands it also claims, and which have strained ties between the neighbours since the end of World War Two. The protest over the disputed islands could set back Japanese Prime Minister Shinzo Abe's efforts to court resource-rich Russia and keep the door open to dialogue, despite the Ukraine crisis. Tokyo and Moscow have been involved in a decades-old dispute over