You could be riding in new, airconditioned trains on the Piccadilly Line and DLR but City Hall has botched their introduction

Temperatures are forecast to reach 34C this week in the capital, creating punishing conditions on London's deep-level lines, which lack air conditioning.

The London Underground has not rolled out a new air-conditioned train since June 2017

You could be riding in new, airconditioned trains on the Piccadilly Line and DLR but City Hall has botched their introduction