A police officer in Kenya is on the run after he shot and killed his girlfriend and their 5-year-old daughter dead on Wednesday, in what the police suspect to be a crime of passion.

The officer identified as Cosmas Biwott, is attached to Anti-Stock Theft Unit camp in Subukia, Nakuru.

On the fateful day, the suspect reportedly took a GR rifle belonging to another officer which was loaded with 20 rounds of 7.62mm and shot dead his girlfriend Jane Njoki, 25, and their daughter.

 Photos: Police officer shoots dead his girlfriend and their 5-year-old daughter in Kenya

According to police report, the woman was shot on the head, back and her right buttocks, while the child sustained fatal gun shot wounds on her stomach. The suspect fled the scene after committing the heinous act.

Police found the bodies of the two victims on the bed of the officer with spent cartridges strewn on the bed and floor.

The murder weapon was also found on the bed with an empty magazine.

Police say a manhunt for the suspect has been launched.