Larry the Cat Plays Security Outside 10 Downing Street

Zuma

updated 10/12/2011 AT 2:00 PM ET

originally published 10/13/2011 AT 9:00 AM ET

Mice, you’ve been warned: Beware of the cat at 10 Downing Street.

Larry, the British Prime Minister David Cameron’s family pet, also acts as mouser-in-chief at the famous residence. Though it took him a while to get settled, Larry has since gotten comfortable – and he’s making his presence known to any rascally rats in the neighborhood.