ROCHESTER HILLS, Mich. – Fire crews were dispatched Thursday morning to Ascension Providence Rochester Hospital on reports of a fire. According to authorities, the call came in at about 8:45 a.m. and when fire crews arrived, they found smoke coming from the second floor of the building. Authorities said the hospital’s sprinkler system held the fire back until fire crews were able to extinguish the fire. Rochester Hills Fire Department had help from fire crews from Waterford, Bloomfield Township, Troy, Oakland Township and Auburn Hills. The fire investigation will be handled by the Oakland County Sheriff’s Office.