Overview

• Met Office forecasts temperatures rising from 26C on Sunday to a peak of 30C by Wednesday.
• UK Health Security Agency has issued a yellow Heat Health Alert for Monday and Tuesday to warn vulnerable people of heat-related risks.
• Motorists are being urged to top up their tanks by Monday to avoid rapid fuel depletion and potential breakdowns during the heatwave.
• PassMeFast.co.uk specialists recommend refilling when fuel levels drop to about one quarter full to mitigate misread gauges in hot weather.
• RAC spokesperson Rod Dennis reassured drivers that modern fuel systems safely handle thermal expansion, ruling out any explosion risk when refuelling in high heat.