Papua New Guinea's police force is struggling to contain divisions in its upper hierarchy while resourcing shortfalls are contraining eforts to maintain law and order in high risk security hotspots; The Pacific Climate Action Network says it wants next month's global conference on climate change in Bonn to reach commitments on compensation for victims; A film academic praises the beauty of the movie shot inside the Manus Island detention centre; New Zealand is silent about a threat by Fiji to expel Wellington's top diplomat in Suva; UNICEF says there will be serious logistical challenges in returning thousands of evacuees to the Vanuatu island of Ambae; There's been criticism of the data used to determine Cook Islands developed nation status; A growing mental health problem in Tonga; Projections show there will be more plastic than fish in the ocean by 2050; Niueans urged to do more to ensure their language and culture survives.