(Mt. Angel, OR)  --  The city of Mt. Angel is mourning the loss of its mayor.  Officials say Mayor Don Fleck died from natural causes at his home on Sunday.  Fleck was also a retired firefighter and former Mt. Angel Fire Chief.  Fleck served as mayor for the last year-and-a-half.  He was a big supporter of the city's Oktoberfest.  Services for Mayor Fleck will be held Friday with a memorial service at 1 p.m. in the Mt. Angel Festhalle.