Canadian Prime Minister, Steven Harper has assured full cooperation to India in tracking down the links of Canada born LeT operative Tahawwur Rana, believed to be among the elements behind the Mumbai terror attack. The issue was raised by the Prime Minister, Dr. Manmohan Singh with his Canadian counterpart in the delegation level talks on Wednesday. In reply to a question, the Prime Minister, Dr. Manmohan Singh said that the two sides have decided to expand the area of cooperation in dealing with the menace of terrorism posing threat to international peace and security. <br/>