Is Banksy a Tory propagandist now? His latest juvenile stunt suggests he might be. On the day the government announced that it will soon be mandatory to wear face masks in shops, Banksy released a video showing himself daubing a Tube train carriage with pro-mask slogans and images. Way to stick it to the man, Banksy!

Banksy’s latest act of politicised vandalism really sums him up.