The launch of the new, air-conditioned Piccadilly line Tube trains has been pushed back by a year. Londoners have been at the grips of a heatwave, with many facing an unbearably hot commute on the ...

The new fleet of Piccadilly line trains was expected to be up and running by the end of 2025 before the date was pushed back (Picture: Siemens) The launch of the new, air-conditioned Piccadilly line ...