The Criminal Investigation Department (CID) has recorded statements from 286 individuals as part of its investigation into the recent clash at the Negombo Prison.
The update was presented before Negombo Chief Magistrate Shilani Perera when the case was taken up in court on Tuesday.
According to the CID, statements were obtained from 141 inmates, 136 prison officers, and nine Police Special Task Force (STF) personnel involved in or connected to the incident.
Investigators also informed the court that 271 spent cartridges were recovered from the prison premises following the clash. Of those, 249 were identified as ammunition fired from T-56 assault rifles, based on the investigation report submitted to the court.