this north—western town of mannar is strategically located, and there were intense clashes between thel war, which ended with the defeat of the tamil tiger rebels in 2009. and this is one of the biggest mass graves they have found so far in the last ten years of post—conflict period. and the experts here, they think more bodies could have been buried here underneath this place, and this work will take a further few weeks to complete, and then judicial officials will order a further investigation to find out how these people died, and where these people came from, and what really happened to them. wild bears in vietnam facing extinction are now under further threat as the demand increases for their bile to be used in traditional asian medicine. it has also meant that prices are plummeting for the bile from caged bears, an illegal business, but widespread in the country. brian crudge is research programme manager at the campaigning organisation free the bears. i asked him how widespread bear farming is in vietnam. we recently published research looking at the conservation challenges and