NEW : Sri Lankan President Mahinda Rajapaksa declares victory in civil war . Tamil leader Velupillai Prabhakaran still alive , rebel Web site claims . Sri Lankan government says Prabhakaran is dead . Prabhakaran is accused of masterminding the killing of former Indian Prime Minister Rajiv Gandhi in 1991 in the Tamil-dominated Indian state of Tami Nadu as he campaigned for a second term . Score: 6
NEW : Sri Lankan President Mahinda Rajapaksa declares victory in civil war . Tamil leader Velupillai Prabhakaran still alive , rebel Web site claims . Sri Lankan government says Prabhakaran is dead . Score: 6