David Cameron and his Malaysian counterpart Datuk Seri Najib Razak will join Mayor Boris Johnson on a trip to the Battersea Power Station site today.
The visit will mark the official start of work on the old power station which has been derelict since it was decommissioned in 1983.
The Grade II listed landmark will be transformed into upmarket new flat and houses. The project is costing £8bn and is largely funded by Malaysian investors.
More top news
Khan, the Labour MP for Tooting, claims his plan to hold fares at 2016 prices until 2020 is fully costed.
Lee Drake smashed into a moped in Poplar in June 2014, after going through a red traffic light with blue lights on but no sirens.
More than a decade after their daughter's death the Dowler family were given these harrowing details of their daughter's last hours.