FURTHER INFORMATION TO FOLLOW
New cases of coronavirus have more than doubled in the city in the space of a week.
Beachgoers are urged to avoid busy areas, as temperatures in parts of the UK reached 36.4C (97.52F).
After a low in cases at the end of June, the ONS estimated infections had been rising slightly in July.
The drop in office-based working has affected commuters in London's hospitality sector, experts say.
Chancellor warns there is "always the risk" holidays may be disrupted, as virus cases climb in France.