A police sergeant was found dead at the Yishun North NPC on Sunday night, a few hours after he reported for duty at around 7.30PM.
The deceased was 28 year old and believed to be a regular.
He was found with a gunshot wound to his head. His service revolver was found beside him.
No foul play is suspected. The CID is investigating the case of unnatural death.
Police are also currently assisting the family.