Several Stillwater prison staff members were taken to the hospital Thursday following an incident that put the facility into a lockdown, Minnesota Department of Corrections officials said. “Several staff were taken to the hospital out of an abundance of caution,

Jeff Vars, president of AFSCME Local 915, the union that represents corrections workers, said in a statement that an incarcerated man at the Stillwater facility and another at a medium-security prison in Moose Lake had died from suspected overdoses in the last week.

The Minnesota Correctional Facility-Stillwater is on "temporary lockdown" after "several staff" were hospitalized, according to the Minnesota Department of Corrections (DOC).