The investigation into the suspect is being conducted by the Colombo Central Crime Investigation Bureau.Shiran Basik, who had fled the country and been hiding in Dubai, was arrested there and subsequently extradited to Sri Lanka.He was brought back to the island on Wednesday night.

The 48-year-old Shiran Basik is a resident of the Dehiwala area.He is also expected to be questioned about whether he had any involvement in the clashes that took place in Sri Lankan prisons in recent days.Police said information had also emerged indicating that he was connected to the clash that took place at Welikada Prison in 2012.