Pizzagate: A new 'culinary abyss'

The New Zealand Prime Minister horrified many when he wrote on Twitter that he had "cooked dinner for the family last night - like if you agree with tinned spaghetti on pizza!"

Martha Kearney recreated the pizza in Radio 4's World at One studio and asked Great British Menu judge Oliver Peyton to try it. But the restaurateur was not impressed - describing the dish as "possibly the culinary abyss".