Hearings in the criminal trial of former Volkswagen boss Martin Winterkorn over his role in the diesel emissions scandal have been postponed after he was admitted to hospital following an accident at home, the court said on Monday. The Braunschweig Regional Court declined to disclose any further details about the incident or comment on Winterkorn’s state of health. It is unclear whether and when the trial will continue. A court decision is expected at a later date. The 77-year-old is accused of commercial fraud, market manipulation and making false statements in connection with the so-called D…