evidence: Aurélie Welonek, the mayor of the French town of Bousignies-sur-Roc which had its territory snipped, spoke to French press agency Internep in a video interview which also featured Lavaux. [...] The two towns lie roughly midway on the Franco-Belgian border, with Erquellines a Walloon municipality with a little under 10,000 residents and Bousignies-sur-Roc a commune in France’s Nord department with a population of around 400.