Sadiq Khan
The capital has not yet breached its annual legal pollution limit this month - a first in 18 years.
It comes after the mayor said the president cancelled London visit because Trump feared protests.
For the first time in 37 years, an end to new HIV transmissions is beginning to look achievable
The former London Mayor went full Trump on Twitter as he laid into Khan
Ministers urged to shift their focus after four deaths in two days.
Everything you need to know about rising travel costs in the capital.
The Tories are getting increasingly desperate
Before, three days of freezing weather had to be forecast.
The London mayor was, perhaps unsurprisingly, born in London.