Former Bulgarian Prime Minister Kiril Petkov resigned as MP and co-chair of 'We Continue the Change' amid a corruption probe involving party mayors in Sofia. Petkov emphasized his commitment to anti-corruption principles and acknowledged serious mistakes by district mayors. Three individuals, including the Deputy Mayor of Sofia, have been arrested in connection with the case, which involves allegations of rigging public tenders. Petkov announced a General Assembly for the party by year-end, with Asen Vassilev remaining as leader.