More packages containing contraband have been seized at Collins Bay Institution.
Correctional Service of Canada staff secured areas of the medium security unit on Tuesday around 9:30 p.m. to conduct a search.
The items contained in the packages were not identified.
One person was spotted running away from the prison at the time and was arrested by Kingston Police.
CSC is heightening measures to prevent contraband from entering its institutions in order to help ensure a safe and secure environment for everyone.