Hungary’s government announced an investigation on Monday into a large foreign investment by Chinese carmaker BYD negotiated by a former foreign minister who last week resigned from parliament to take an executive position at the company.Peter Szijjarto’s announcement last Wednesday that he would take the job at the world’s top electric carmaker prompted accusations of a conflict of interest and criticism over his role in organising substantial government subsidies to the company while in office.Prime Minister Peter Magyar told lawmakers on Monday that Szijjarto, a close ally of former Prime Minister Viktor Orban, had helped BYD while he was in...