Christmas in 2004, a 9.1 magnitude earthquake triggered tsunami waves that killed some 230,000 people across a dozen countries.

The powerful 9.1-magnitude earthquake off the coast of the Indonesian island of Sumatra, triggered a tsunami that killed around 230,000 people across a dozen countries.

Tearful mourners prayed and lit candles on Thursday night at ceremonies across Asia to remember the 220,000 people killed two decades ago when a tsunami hit coastlines around the Indian Ocean in one of the world's worst disasters.

Twenty years after the devastating earthquake and tsunami that claimed over 230,000 lives across the Indian Ocean region, thousands gathered in the capital of Indonesia's Aceh province on Thursday to commemorate the tragedy.

On Dec. 26, 2004, a massive earthquake off Indonesia generated a series of massive waves that killed 226,408 people

Emotional ceremonies began across Asia on Thursday to remember the 220,000 people who died two decades ago when a tsunami devastated coastal areas around the Indian Ocean, in one of