Police close the road near the Marina beach after a tsunami alert was issued in the southern Indian city of Chennai April 11, 2012, following an earthquake which struck off Indonesia. A few thousand people were evacuated to higher ground from parts of Andaman and Nicobar islands on Wednesday following earthquakes in Indonesia, as the islands prepared for tsunami waves up to 3.9 metres high, officials said. REUTERS/Babu (INDIA - Tags: DISASTER ENVIRONMENT HEALTH)