Larry, the Downing Street Cat, has caught a suspicious looking mouse on his first day of duty.
The mouse is said to have been of a mechanical type made from wood and rabbit fur. It also contained a small tape recorder and a spy camera thought to be of Russian design.
The mechanical mouse may indicate to many that Mr Cameron is being spied on by Russia, but that's not the way that Russian officials are interpreting the situation.
An official spokesman for the Kremlin has denied ownership of the small spying device, claiming that just because someone made the device in Russia, doesn't mean Russia has used it to spy on David Cameron.
The Kremlin official then went on to say "It is highly probable that the mouse was bought by a British tourist who came to Russia on holiday and thought it would be fun to spy on the Prime Minister of Great Britain when he got home. It happens."
David Cameron was tonight unavailable for questioning but the cat was back on patrol outside Downing Street. It looks like he's here for the foreseeable future. All spies should beware of this cat. He knows your watching, and Britain is tonight a safer place to live because of his presence. Well done Dave. You've finally done right.
By Katarina Frogpond.