ROUGH CUT (NO REPORTER NARRATION)br br STORY: Japanese Prime Minister Shinzo Abe arrived in Moscow on Sunday (April 28) for a summit with the Russian President Vladimir Putin - the first between leaders of the two countries in a decade.br br Japan and Russia expect to clinch up to 20 deals, launch an investment fund and reopen talks on a territorial row.br br A dispute over four sparsely populated islands in the Pacific, known as the Northern Territories in Japan and the Southern Kuriles in Russia, has prevented the countries from signing a peace treaty ending World War Two. The issue has overshadowed relations for more than 60 years.br br Japan also expects Russia to present a proposal for Japan's participation in building a pipeline connecting East Siberian gas fields and a planned $38 billion Vladivostok gas hub built by Gazprom, Deputy Chief Cabinet Secretary Hiroshige Seko told Reuters on Thursday (April 25).