Fact check: has Sadiq Khan really overseen a crime surge in London?

Capital's mayor is often accused of allowing crime to soar, but Guardian analysis shows reality is more nuanced

A London under siege" with criminals ruling the streets". That's not the plot of a comic book, but rather the picture that mayoral candidate Susan Hall painted of the capital in an article for the Express on Saturday.

Sadiq Khan - who as the mayor for London, also acts as police and crime commissioner for the city - is often targeted with claims of spiralling crime and rising violence. But Guardian analysis of government data shows the reality is more nuanced.