BRUSSELS (AFP) – Belgian police arrested a suspect after a local mayor had his throat slashed in a graveyard, authorities said yesterday as they probed a murder that shocked the country. Alfred Gadenne, 71, was found dead on Monday in a cemetery where he opened and locked the gates every day, near his home in Mouscron, near the French border. Local media said the suspect is an 18-year-old who attacked the mayor to avenge his father, a former town employee who was sacked and committed suicide in 2015. Belgium. Prime Minister Charles Michel on Twitter said he learned “with alarm” the death of Gadenne, who he said was widely liked by all.