North Korea has been upgrading a missile launch site on its east coast in preparation for a test launch of a new long-range missile, a news report said Thursday. South Korea’s Dong-A Ilbo newspaper, citing intelligence sources, said activities at Musudan-ri on the coast of North Hamkyong province are focussed on upgrading the site with new equipment or building new facilities. Intelligence authorities believe this indicates the North is preparing to test-fire a new long-range ballistic missile, an advanced model of the Taepodong-2 which can theoretically hit the US west coast, Dong-A said. Full Story