‘London has turned into something crazy’: is the city in the grip of a crime wave?

Posters warn Londoners and tourists about phone thieves. Phone crime has rise sharply in the UK. Photograph: Nick Moore/Alamy

London is no longer a safe place to live, at least in the eyes of some of its richest residents – and the 47th president of the United States.

“I think he’s done a terrible job,” Donald Trump said during his state visit to the UK last month, in his latest broadside at London’s mayor, Sadiq Khan. “Crime in London is through the roof.”