Mac’s Diner at 185 Shrewsbury Street in Worcester was the victim of a serious fire on April 7th. The diner, which is really not a diner but a mish mash of rooms, has been in the McMahon family for 3 generations. The diner originally opened in 1931 under the ownership of Paul Mac’s (McMahon) father. Paul has run it for almost 30 years, but recently turned the day to day operation over to son Chris. They plan to reopen as quickly as possible.