Palmer says ship will mostly sail between Southampton and New York. Will be escorted by Chinese Navy from shipyard to Southampton on first ship. Our correspondent, Mike Pearse, is at the press conference in New York where the announcement is being made.
More top news
Essex Police say pictures of boys undressing have been discovered in the home of a teacher who's been found dead.
Organisations are calling for the release of Chinese sky lanterns to be banned due to the risk they pose to wildlife and habitats.
Two kittens are looking for a new home after being dumped in a Hampshire car park.