In Yverdon-les-Bains, Julien Wicki and Ruben Ramchurn took the lead in the first round of the supplementary election

Pushed by a promising result, Ruben Ramchurn should maintain his candidacy in the second round. In front of him, Julien Wicki, socialist contender, remains the favourite even if the decision of the right-wing alliance to maintain or not Gildo Dall的Aglio could play a considerable role