A state prison was locked down after uprising inmates injured three guards and took control of three dorms — days after the state’s Department of Corrections head complained about staffing shortages.

A state prison in western New York remained in lockdown Wednesday after inmates took control of three areas of a dormitory for several hours — an episode that took place against the backdrop of an ongoing prison staffing crisis and public rancor over the beating death of an inmate at a Utica-area facility.