A TSUNAMI warning has been issued for the South Pacific after a 7.9 force earthquake was registered south-east of Tonga.

A TSUNAMI warning has been issued for the South Pacific after a 7.9 magnitude earthquake was registered about 209km (130 miles) south-east of Tonga.

Monitors at the US National Weather Service said they did not know if a tsunami had been generated but the size of the quake made it possible.

The quake struck just before 6.20pm at a depth of 10km (6.2 miles).

The island state of Tonga is a developing tourist destination.