MARQUETTE — The U.P. Regional Blood Center is currently experiencing a critical need for O Negative, O Positive, B Negative and A Negative blood types.

The U.P. Regional Blood Center has collection sites in Marquette, Hancock, Escanaba and Iron Mountain and is the primary supplier of blood to 13 U.P. hospitals.

Visit its Facebook page at UPRBC906 or website at http://www.mgh.org/blood for center details and blood drive locations.

For hours and scheduling, call Marquette at 906-449-1450, Hancock at 906-483-1392. Iron Mountain at 906-774-1012 and Escanaba at 906-786-8420.