The two suspects who gave themselves up are 27-year-old Oli Egi of Bulihan village, who was charged for rape, and 44-year-old Robber Matthew of Lihai village, who is facing sexual touching charge.
They will be slapped with another charge of escaping lawful custody.
Police allege that Egi was also involved in the attempted rape of two females at ward one on the day he escaped.
He will be questioned over the incident and is expected to be slapped with further charges on top of the initial rape charge he was in CS custody for.
