Tuxedo Stan sits in his front yard in Hubley, N.S., in this undated handout photo. Tuxedo Stan, the cat who gained worldwide attention when he ran for mayor of Halifax, is battling a serious illness. Owner Hugh Chisholm says Tuxedo Stan is resting at home after undergoing treatment for kidney cancer at a veterinary college in Charlottetown. THE CANADIAN PRESS/HO – Hugh Chisholm