Sri Lanka's army chief said Tamil Tiger leader Vellupillai Prabhakaran's body was found on Tuesday, and Sri Lankan TV stations aired video of what appeared to his corpse, with the top of its head blown off.
There was no independent confirmation available.
Private TV stations Derana and Swarnavahini showed soldiers surrounding what they said was Prabhakaran's body, with his trademark moustache and distinctive Tiger stripe camouflage fatigues.
The military said the body was found in a lagoon.
A blue cloth covered the top of the head, which appeared shorn off. The video showed a copy of a military ID tag written in Tamil, bearing the number "0:01", and what appeared to be an LTTE identity card with his photograph.
The army's commander, General Sarath Fonseka, moments earlier had gone on state TV and radio to announce that the body had been found on Tuesday and positively identified.
State TV on Monday reported that Prabhakaran was dead, and military sources have given differing stories about how and where he was killed.
Fonseka did not give an account of where Prabhakaran' body was found, nor how he was killed.
There is still some unanswered questions that remain over LTTE chief's death: