ESCANABA — The U.P. Regional Blood Center is currently experiencing a critical need for O negative, A negative, and B negative blood types. The UP Regional Blood Center has collection sites in Marquette, Hancock, Escanaba, Sault Ste. Marie and is the primary supplier of blood to 13 UP hospitals. Visit its Facebook page or website at http://www.mgh.org/our-services/all-services/regional-blood-donation for center details and blood drive locations. Currently, the Marquette center is open from 8 a.m. – 5 p.m. Monday, Tuesday, Thursday, 8 a.m.-6 p.m. on Wednesdays and 7 A.m. -4 p.m. on Fridays. Walk-ins are welcome.