Sports day has been cancelled for students in Wickford, Essex, due to the high temperatures forecast for today and tomorrow.
The SESSSA sports day is cancelled on Wednesday due to the high temperatures that have been forecast.
With temperatures set to soar into the mid 30s this week, train companies are warning that the heat could interfere with Britain's rail network.
Commuters are being told to check their journeys ahead of time for ristricted services, as the heat is predicted to get so fierce that it could buckle rails.
"As rails are made out of steel, they expand as they heat up and are subject to strong compression," Network Rail said on its website.
"This expansion has to be managed to reduce the risk of track buckling. If the track does buckle, the line must be closed and the track repaired before services can resume, causing considerable disruption."
First Great Western services in the Thames Valley area will be subject to speed restrictions from midday to 8pm today - meaning there will be fewer fast trains.
The Met Office warned children and the elderly are most at risk if temperatures soar to 33C between noon tomorrow and Thursday morning.Read the full story ›
London is set to sizzle this week, with temperatures remaining high into the weekend. Tomorrow is expected to be the hottest day - with temperatures climbing into the mid-30s.
Londoners are being urged to take care in the heat - and travel delays are expected.
With temperatures set to soar to 35C, it could break the 34.6C record set in 1976. Here are some other Wimbledon facts you may not know.Read the full story ›
Though it may not have felt like it today, this week will see temperatures soar across London - climbing to 33 degrees this Wednesday.
ITV News Weather Presenter Helen Plint has the details.
Tonight the weather will feel fresh tonight, but tomorrow temperatures will nudge up to 25 degrees as the heatwave builds.
ITV News London Weather Presenter Helen Plint has the latest.
Pollen levels across London will soar this week, as the temperatures rise. ITV Weather Presenter Helen Plint has the details.