LONDON — Health authorities have upgraded heat-health warnings across parts of England as rising temperatures are expected to create significant risks for vulnerable people and health and care services.

The UK Health Security Agency has issued an amber heat-health alert for London, the South East, East of England and East Midlands, running from 9am on Wednesday, July 29, until 9am on Thursday, July 30.

A yellow alert will remain in place for Yorkshire and the Humber, West Midlands and South West England, while no alert is currently in place for the North East and North West.

Older people, young children and those with existing heart or respiratory conditions are among the groups facing greater health risks during the hot weather. Health services could also experience increased demand as temperatures rise.

Public health guidance recommends drinking plenty of fluids, avoiding excessive time in direct sunlight and keeping homes as cool as possible. People are also being encouraged to check on vulnerable relatives, neighbours and friends.

The latest alert highlights the continuing health impact of extreme summer temperatures in England, with authorities urging people to take precautions before the hottest conditions arrive.