Complex sentence: As they tell Poirot the details, news reaches them by special courier that the bogus car has been found abandoned and containing Captain Daniels, the Prime Minister's secretary, chloroformed and gagged.
Split into simpler sentences: As they tell Poirot the details, news reaches them by special courier that the bogus car has been found abandoned. It contained Captain Daniels, the Prime Minister's secretary, chloroformed and gagged.