DFDS Vice President Gert Jakobsen told ITV News that 15 passengers and eight crew members were treated for smoke-related injuries on the King Seaways ferry following a fire on board.
Four crew members and two passenger were later taken to Scarborough Hospital by helicopter for further treatment. Police are investigating the incident.
More top news
Margot James was asked about her own experiences of receiving abuse on the internet.
Matt Hancock said new laws will tackle the internet's "wild west" that will make Britain the "safest place in the world" to be online.
The peer told Peston on Sunday he needed to have a discussion with his partner of 20 years.