A 27-year-old man allegedly stabbed his own father following an argument. (Stock photo)

TAWAU: A man killed his father, whom he had suspected of having an affair with his wife, and later turned the weapon on himself at Kampung Sungai Gading Wakuba early this morning.

In the 3am incident, the 27-year-old man is believed to have stabbed his father to death in an argument in the former’s home.

The body of the deceased, identified as Ali Nordin, 56, was found in a pool of blood in the living room.

It is understood that the victim had gone to his son’s home where a heated argument erupted between father and son.

A brawl broke out when the son accused his father of having an affair with his wife.

In a rage, the son grabbed a sharp object and stabbed his father. He then ran out of the house and stabbed himself in the abdomen.

District police chief Assistant Commissioner Fadil Marsus confirmed the incident, and said the injured man was taken to the district hospital.

“Investigations are still being carried out. We also conducted a urine test on the suspect and he tested positive for drugs," he said.

Fadil said police also seized a knife and a sword from the scene.

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