Broadcaster Kirsty Wark, who was a Celebrity MasterChef contestant in 2011, said he told "sexualised" jokes during filming. Wallace's lawyers say it is entirely false that he engages in behaviour of a sexually harassing nature. Masterchef's production company Banijay UK has launched an investigation and said Wallace is co-operating.

NewsNight's Kirsty Wark has made allegations against Gregg Wallace, who has stepped away from MasterChef after the BBC received a series of complaints

Rod Stewart accuses Masterchef host of ‘humiliating’ wife amid alleged misconduct claims - Sir Rod Stewart branded Masterchef host Gregg Wallace a ‘tubby, bald-headed, ill-mannered bully’