Tsunami hits Tonga after giant volcano eruption

Tsunami waves caused by a giant underwater volcanic eruption have hit the Pacific country of Tonga.

Social media footage showed water washing through a church and several homes, and witnesses said ash was falling over the capital, Nuku'alofa.

A tsunami warning sent residents scrambling to higher ground.

The eruption of the Hunga Tonga-Hunga Haʻapai volcano sent shockwaves across the South Pacific.