London's controversial Ultra Low Emissions Zone has barely had any impact on improving the capital's dirty air, scientists have warned today.
Researchers from Imperial College London say the controversial scheme –

Azeem Rafiq choked back tears today as he revealed the word P*** was 'used constantly' during his time at Yorkshire County Cricket Club.
The spin bowler told the Digital, Culture, Media
Read more: Azeem Rafiq to be quizzed on racism allegations at Yorkshire
Sir Winston Churchill's niece and the widow of former Prime Minister Anthony Eden has died at the age of 101.
Clarissa Eden, the Countess of Avon, passed away on Monday, more
There has been an increase in online radicalisation during Covid lockdowns, security minister Damian Hinds said this morning.
As the terror threat was raised from substantial to severe in the wake
Manchester City footballer Benjamin Mendy has today been charged with two more rapes after another woman came forward and accused him of attacking her.
The French international star, 27, is now
Read more: Man City star Benjamin Mendy, 27, charged with two more rapes