The BBC takes a look at the age-old question: Why are clowns so scary?

But he believes children’s fear may be less to do with clowns per se and more to do with being unsettled by something as unusual-seeming as a clown.

“People are typically frightened by things which are wrong in some way, wrong in a disturbingly unfamiliar way,” Prof Salkovskis says.

Yes, that. And also Pennywise, who reminded us all that “they all float down here.”