Westminster's sarnie barney! Keir Starmer defends sandwiches as a 'great British institution' after Kemi Badenoch swipes they're 'not real food' and says 'lunch is for wimps'

The Prime Minister came out in support of sandwiches - and was revealed to be a fan of the tuna variety - after Tory leader Kemi Badenoch said they are not 'real food'.