Larry (left) and Palmerston the cat
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Cat wars: Fur flies as Larry the cat takes on Palmerston

4 August 2016 Last updated at 16:58 BST

It looks like the world of politics has broken down into one big cat-fight. Quite literally, that is.

Two of Westminster's famous cats have appeared to take part in a stand off on the streets.

Palmerston, the chief mouser of the Foreign Office, was seen getting into a scrap with Larry the cat, who just so happens to live at 10 Downing Street with the prime minister.

BBC political correspondent Chris Mason sent Newsround this report.