Dateline Pacific morning edition for 16 July 2015

A jailed opposition MP on Nauru is hospitalised after suffering a heart attack; Hundreds of millions of litres of untreated wastewater is to be pumped into a major Solomon Islands river; A communications blackout in the Northern Marianas continues; There's confusion in Tonga over who has the authority to sign international treaties; And, Fiji Football is confident of being at next year's Olympics.