Johor police have described the death of a detainee after a recent raid in Pengerang as sudden death.

Johor CID chief Datuk Hasnan Hassan said the man, a suspect in a riot case was apprehended on Nov 3 after a raid at Kg Simon in Sungai Rengit, Pengerang.

"During the arrest, the suspect acted aggressively to escape. This resulted in a struggle between the detainee and a policeman.

"A police report was lodged on the arrest and on the injuries of the dead detainee and the policeman," he said in a statement here today.

He said after the arrest, the suspect was brought from the Sungai Rengit police station to the Kota Tinggi police headquarters for further investigations when the suspect suddenly experienced breathing difficulties.

"The suspect was brought to Bandar Penawar Clinic. At the clinic, the suspect was pronounced dead and a post-mortem was conducted at Sultan Ismail Hospital.

The case is being investigated under a Sudden Death Report," he said.