People gathered in India and Sri Lanka on Thursday to mark 20 years since the Indian Ocean tsunami struck , killing thousands of people. (AP video shot by Mahesh Kumar and Eranga Jayawardena)

Indians and Sri Lankans mark 20 years since Indian Ocean tsunami

People gathered in India and Sri Lanka on Thursday to mark 20 years since the Indian Ocean tsunami struck , killing thousands of people. (AP video shot by Mahesh Kumar and Eranga Jayawardena)