Has the government's advice led to stockpiling essentials?

Newsnight

Major retailers tell Newsnight they've seen a surge in sales for essentials

Major retailers tell Newsnight they've seen a surge in sales for essentials like tinned goods after government call to stock up in case of a crisis, and an independent online store tells us demand has been unprecedented. Has the government messaging worked and what is it we're preparing for? With Victoria Derbyshire