London Underground

The Elizabeth line had been due to open in 2018, but has been delayed several times and is more than four billion pounds over budget.

The mayor said he was “not prepared” to put transport users in the capital “at risk” by removing the rules on face coverings after so-called “freedom day”.

A passenger has described an ‘utterly terrifying’ machete attack on the Jubilee line which has left the victim in hospital.