Indonesia Mourners mark 20 years after Deadly tsunami

A siren rang out as Indonesian survivors and relatives of victims began commemorations Thursday for more than 220,000 people killed when a tsunami hit nations around the Indian Ocean 20 years ago.

In Indonesia's Banda Aceh city, an official ceremony at the Baiturrahman Grand Mosque kicked off a series of memorials across Asia with a three-minute-long siren at the exact time a major earthquake caused giant waves on December 26, 2004.A 9.1-magnitude earthquake off Indonesia's western tip generated a series of massive waves that pummelled the coastline of more than a dozen countries from Indonesia to Somalia. Beachside memorials and religious ceremonies will be held across the worst-hit countries to mark the anniversary.