A police officer has shocked many after he stormed Njoro Sub county hospital, pursued a patient seeking treatment there and shot her dead.

According to reports, the officer then took his own life after killing the patient who turned out to be his girlfriend.

It is said that the office had earlier on argued with her girlfriend in their house before he assaulted her.

The officer who has been identified as Constable Bernard Sivo had first attacked his girlfriend Mary Nyambura, 29 in their house and broke her right leg in an assault

Reports indicate that the woman later managed to go to the hospital where she sought to be treated for a fractured leg.

He apparently got wind that she had gone to the hospital.

While she was being attended to in a ward, the officer emerged while armed with an AK-47 rifle and pumped 10 bullets into her killing her on the spot.

Witnesses said the shooting forced medics who were attending to the woman to scamper for their lives at around 1 am Monday morning.

The woman was shot in the back and hands while on a bed dying on the spot.

The attacker escaped the hospital and went to the local police station while shooting in the air.

He later shot himself in the chin and the bullet exited in the forehead, police said.