We must hope this vote will be the start of a wider backlash – and send hard-right populism back to the fringes where it belongs, says Guardian columnist Polly Toynbee

Rightwing leader trails in polls to Péter Magyar, despite support from JD Vance on recent visit

Prime Minister Viktor Orban has carved out a model of an "illiberal democracy" seen as a blueprint by populist movements.