A BBC Breakfast reporter gasped in surprise as Ainsley Harriot shut a door on him and welcomed himself into a stranger's home during a live TV broadcast.
The celebrity chef was out and about knocking on doors to hand out invitations to a local Coronation Big Lunch on Thursday (April 13).
The Big Lunch ambassador, known for hosting twenty-one series of Ready, Steady, Cook, joined the street party planning around Richmond, south-west London, by heading to the various homes and posting invitations.
As he got underway, he was joined by BBC Breakfast reporter Tim Muffett. After chatting to one local resident with Ainsley, Tim turned to the camera to talk to the show's hosts Naga Munchetty and Charlie Stayt who were back in the studio.
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