President of Hungary Tamas Sulyok speaks to the media during a press conference in Sofia, Bulgaria, on Oct. 20, 2025.Nurphoto | Nurphoto | Getty ImagesHungarian President Tamas Sulyok has signed a constitutional amendment passed by Prime Minister Peter Magyar's ruling Tisza party that ends his term as head of state, Sulyok said in a statement on Saturday.This story is developing. Please check back for updates.Choose CNBC as your preferred source on Google and never miss a moment from the most trusted name in business news.