Dateline Pacific evening edition for 28 July 2015

A leading political figure in Vanuatu Edward Natapei has died; mass lay-offs at Papua New Guinea's Ok Tedi mine signal a bleak outlook for the future of the operation; the International Organisation for Migration works to stop people smuggling in Papua New Guinea; the Samoa Rugby Union is facing a deficit after hosting the All Blacks test; marine scientists are amazed by the sharks swarming in the crater of an underwater volcano in Solomon Islands.