No.10’s resident cat Larry is believed to be “away” for a few days and power hungry Palmerston took the opportunity to dash into .

But cops were quickly onto his land grab and he was escorted out and then turned tail after a brief stand-off with an officer by the door.

Mr Johnson inherited the black and white cat cat at the Foreign and Commonwealth office and his feline friend seems to have inherited his master’s ambition.

Palmerston is the resident chief mouser of Foreign & Commonwealth Office at Whitehall seen here running in to No10 as door opened some 5 mins later being evicted 26/07/16

Palmerston is the resident chief mouser of Foreign & Commonwealth Office at Whitehall seen here running in to No10 as door opened some 5 mins later being evicted 26/07/16

 

Chief mouser' Palmerston, a rescue cat recruited from Battersea Dogs and Cats Home explores his new surroundings in Permanent Under Secretary, Simon McDonald's office in the Foreign and Commonwealth Office in London.

Chief mouser’ Palmerston, a rescue cat recruited from Battersea Dogs and Cats Home explores his new surroundings in Permanent Under Secretary, Simon McDonald’s office in the Foreign and Commonwealth Office in London.

 

Palmerston is the resident chief mouser of Foreign & Commonwealth Office at Whitehall seen here in being evicted from No10 by one of the doormen after he dashed in when the door was open looking for Larry 26/07/16

Palmerston is the resident chief mouser of Foreign & Commonwealth Office at Whitehall seen here in being evicted from No10 by one of the doormen after he dashed in when the door was open looking for Larry 26/07/16

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