Tonga volcano eruption: What we know so far

The eruption of an underwater volcano has triggered a tsunami and blanketed the Pacific island of Tonga with ash.

The internet and phone lines have been down since the eruption, leaving the 105,000 residents on the islands virtually uncontactable.

Sky News science and technology editor Tom Clarke explains what we know so far about the underwater volcano eruption near Tonga.

Like us on Facebook: https://www.facebook.com/skynews

For more content go to http://news.sky.com and download our apps:
Apple: https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8
Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB

Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/skynewsespanol

To enquire about licensing Sky News content, contact clipsales@sky.uk