Gladstone arrived at Battersea Cats Home after being found wandering the streets of London A third cat has joined the Whitehall mouse patrol with the arrival of Gladstone at the Treasury. Larry has been in residence at Downing Street since 2011, and Palmerston was brought in to keep rodents at bay in the Foreign Office earlier this year. Gladstone, who is thought to be 18 months old, is a former s