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.