Tongans have voted in an election that's raised fresh questions about the role of the King, the power of the nobles and whether the country's young democracy is slipping backwards.

Eight new MPs have been elected — including two new nobles — but who is set to become the next prime minister remains unknown.

It comes after a year of tensions between the palace and parliament.   

• Guest: Dr Malakai Koloamatangi, expert on Tongan law and politics at Tonga National University.
• Producer: Anne Barker and Eddy Diamond