In the early hours of 11 December 1996, the LTTE militantsnumbering over 500 which included female cadres began their attack on the STF detachment. The soon breached the perimeter and over ran the camp. They claimed to have held control of the camp for two and a half hours before withdrawing to jungle.
Aftermath
It was the first time the LTTE attacked an STF detachment. The 28 STF and police personnel were killed and 27 wounded, while the army suffered 16 killed, 8 wounded and 3 missing. A civilian cook was also killed. The LTTE claimed it lost 26 cadres in the attack. They were able to capture the 85 mm field gun and 165 85mm shells, a 81mm mortar and over 70,000 small arms ammunition. Reinforcements soon recaptured the camp and the Sri Lanka Army launch Operation Singing Fish to clear Unnichi jungles from where the LTTE came from. Captain L.W.W. Sirimanna, who was commanding the artillery unit was posthumously promoted to the rank of Major after he died defending his gun along with eight gunners. On 5 April 2009, troops from the 53 Division, 58 Division and Task Force-VIII recaptured the Puthukkudiyiruppu are from the LTTE and recovered a 85 mm field gun as well as a 152mm Type 66 howitzer.