People have been urged to take precautions in the blistering heat as the transport network and NHS come under considerable pressure.NationalIn Pictures: Britons swelter in record-breaking temperaturesBy Staff reporterPublished 19th Jul 2022, 19:03 GMTUpdated 19th Jul 2022, 19:25 GMT 9. Those forced to travel faced stifling journeys on the London Underground. 10. 11. 12. Previous3 / 4Next Page Related topics:GalleryHeatwaveWeather