A surge of dead sea turtles in the sand

Hundreds of Olive Ridley sea turtle carcasses have been found since the first week of January in the Chennai and Chengalpattu districts. Conservationists say the number of deaths is three times the usual number during the mating season and have sounded alarm bells about bottom trawling, the widespread use of fishing gear, and plastic pollution. Geetha Srimathi reports on the tragedy along the coastline