Three inmates have been charged after they allegedly attacked several correction officers​ inside a maximum security prison in Massachusetts earlier this month.

Charges have been filed against three men for their alleged roles in a stabbing attack on corrections officers at the Souza-Baranowski Correctional Center in Lancaster earlier this month, the state Department of Correction announced Saturday.

Three inmates are now charged for the brutal attack at Souza-Baranowski Correctional Center earlier this month that injured five correction officers — with one stabbed 12 times and suffering a

The assault, which happened around 6:20 p.m., sent five officers to the hospital, including one who was “repeatedly stabbed about 12 times,” according to authorities.

Charges have been filed against three inmates allegedly involved in the violent attack on correction officers at the maximum-security Souza-Baranowski Correctional Center in Lancaster, Massachusetts,