Donald Turrell, 100, Dorothea Barron, 100, and Eugeniusz Niedzielski, 101, are set to travel to Scotland in August.

Transport Secretary Heidi Alexander would not directly rule out tax rises in the next budget as she toured the broadcast studios on Sunday morning.

The Duchess of Edinburgh said it was “emotional” to assume her title, as it had previously been held by the late Queen.

Search and rescue teams have been deployed alongside police to find a missing person after a “water incident”.