Adding another huge setback for the LTTE terrorists in Wanni battlefront the Deputy LTTE sea tiger leader and three other sea tiger leaders were killed in a fierce confrontation took place in north of Chalai yesterday, 4 February, the latest military sources in battlefront said.According to the available information, LTTE sea tiger deputy leader known as Vinayagam was killed as troops of 55 Division on mission to capture LTTE's last sea tiger base, Chalai, launched an effective offensive thrust against LTTE resistance. The intense fighting reported between 1.45PM to 2.00 PM, defence sources said.By intercepting LTTE communication channels, it is revealed that terrorists were unable to locate the body of the killed deputy sea tiger leader so far as troops continued their offensive on remaining LTTE positions in the area.Meanwhile, In-charge of LTTE land fighting group known as Kader and sea tiger Pooneryn area leader know as Pahalawan were also killed during the confrontation, military sources further confirmed.Sea tiger special leader known as Sinna Kannan was killed in a separate confrontation reported in north of Chalai around 8.50 AM yesterday. He was later given the self-styled rank of 'Lt. Colonel', Electronic Warfare (EW) sources confirmed intercepting LTTE communication channels. Eight more sea tigers were also killed during the battle.Troops are now heading towards Chalai, the only remaining sea tiger base, gaining more LTTE hiding areas amidst stiff resistance given by the terrorists