Royal baby: Prince William visits Kate in hospital
The Duke of Cambridge has returned to the King Edward VII hospital to visit his pregnant wife Catherine, who is staying there for a second day with pregnancy sickness.
William spent Monday with Kate, after her admission led to the couple announcing she was expecting a child.
The duchess, who is thought to be less than 12 weeks pregnant, is expected to remain in hospital in central London for several days.
Prince William walked swiftly past the many foreign reporters gathered outside the hospital.
The BBC's Luisa Baldini says Prince William walked swiftly past the many foreign reporters gathered outside the hospital.