Dateline Pacific evening edition for 20 August 2014

People living on a Solomon islands atoll are in desperate straits without a shipping service to provide supplies; Tonga police step up efforts to control violence at school rugby games; a Fiji fishing expert has dismissed a Fiji link to a disturbing video of killings on the high seas; we look at the extent to which businesses in Papua New Guinea rely on private security firms; Sydney Roosters star Sonny Bill Williams visits Samoa.