Edited sentence: A series of Allaipiddy massacres began on May 13, 2006.A total of thirteen Tamil civilians were killed in a spate of incidents on Kayts Island, a small islet off the northwestern coast of the Jaffna Peninsula that is strictly controlled by the Sri Lanka Navy.Amnesty International has received credible reports that Navy personnel and armed cadres affiliated with the Eelam People’s Democratic Party (a Tamil party opposed to the LTTE), were present at the scene of the killings.However it is widely known to the international community that the LTTE regularly kills Tamil dissident civilians, and try to put the blame on other rival Tamil Militant groups and the Sri Lankan military.Photos of the massacred family.The government has not investigated this incident yet to identify the assailants