Thiruvananthapuram: A suspected “mentally deranged” man allegedly stabbed four of his relatives to death in Kerala’s Kasargode district on Monday night, a police official said.

The incident took place at the Paivalike village council at Manjeswaram in the district.

According to the police, the 35-year-old man is understood to be of unsound mind and following a dispute over a private road killed four of his relatives, using a knife.

The man was later overpowered by the locals and was handed over to the cops.