PETALING JAYA: Zayn Rayyan Abdul Matiin's grandparents were arrested as the murder investigation throws yet another twist.
The boy's grandfather and grandmother were arrested around 2.30pm on Wednesday (June 12).
Selangor police chief Comm Datuk Hussein Omar Khan confirmed the arrest.
"Yes. Both were arrested this afternoon," he said when contacted.
On Dec 5 last year, Zayn Rayyan was reported missing in Damansara Damai before his body was found near a stream about 200m from his home at Apartment Idaman.
A post-mortem revealed injuries to his neck and body, leading to the conclusion that he had been killed.
During the course of the investigation, police's forensic teams combed the location where the body was found as well as the surrounding areas in Damansara Damai.
A mass DNA screening was also conducted, and 228 samples were collected.
Witnesses, including those who claimed to have last seen the boy alive, were also brought to the scene to assist investigators.
On May 31, police arrested the boy's parents and have been held in remand.