The Battle of Delft was a naval battle
on December 25, 2007 and part of the Sri Lankan Civil War

Sri Lankan civil war

The Sri Lankan Civil War was a conflict fought on the island of Sri Lanka. Beginning on July 23, 1983, there was an on-and-off insurgency against the government by the Liberation Tigers of Tamil Eelam , a separatist militant organization which fought to create an independent Tamil state named Tamil...

. The Sri Lankan Navy

Sri Lankan Navy

-The Beginning and World War II:In January 1938 the Ceylon Naval Volunteer Force was created with Commander W.G. Beauchamp as Commanding Officer under ordinance No I of 1937. On 31 August 1939 at the out set of World War II, the CNVF was mobilized for war duties...

 claimed that it received reports of a boat cluster moving off of Delft Island. After moving in to investigate clashes erupted and fierce sea battle ensued. Both sides claimed to have victory. The pro-rebel Tamilnet

Tamilnet

TamilNet is a news website that provides news and feature articles on current affairs in Sri Lanka, specifically related to the erstwhile Sri Lankan Civil War...

 claimed that the Sea Tigers

Sea Tigers

The Sea Tigers was the naval wing of the Liberation Tigers of Tamil Eelam during the Sri Lankan Civil War. It was founded in 1984. The Sea Tigers had a number of small but effective suicide bomber vessels. During its existence it had gained a reputation as a capable adversary for the Sri Lankan Navy...

 sank one Sri Lankan Navy

Sri Lankan Navy

-The Beginning and World War II:In January 1938 the Ceylon Naval Volunteer Force was created with Commander W.G. Beauchamp as Commanding Officer under ordinance No I of 1937. On 31 August 1939 at the out set of World War II, the CNVF was mobilized for war duties...

vessel and the Sri Lankan Navy suffered casualty. However, the Sri Lankan Defense ministry claimed that 6 Tiger boats were sunk and over 40 Tigers were killed.