On Monday, September 24, 2018, around 1:26am, Kentucky State Police Post 11, London, received a call of a man threatening his one year old child at his residence located on KY HWY 1804 in Whitley County. Upon arrival, it was discovered the male subject attempted to barricade himself and the child inside the residence. Troopers gained entry and located the subject and the child. A physical altercation ensured, during which the subject attempted to assault the trooper with a weapon. The trooper fired his service weapon, striking the subject. The male subject was pronounced deceased at the scene. Neither the child or trooper were injured during the incident. KSP Critical Incident Response Team is continuing the investigation.