Europe's heatwave shifts east as France raises health alert to highest level

This is causing increased summer heatwaves, greater pressure on Europe's water supply, and more intense wildfires. Last year, more than 1 million hectares burnt across Europe - a record level - with Spain particularly affected.Although temperatures in Spain are set to peak at 38-39C in some areas on Thursday, forecasters say a cooler mass of Atlantic air is coming in, after the highest June temperatures were recorded this week, with 45.1C in the southern town of Andújar on Monday.Dimitar DILKOFF / AFP via Getty ImagesIn Germany, overnight temperatures in the southwestern town of Bad Bergzabern did not fall below 26.2C on Wednesday night, equalling a national heat record set in 2019. Germany's DWD weather service said large areas of the country were experiencing "heat stress" and DWD meteorologist Oliver Reuter said it was "quite likely" the heatwave would ultimately be seen as historic.Luxembourg recorded its highest June temperature of 38.3C in Wormeldingen on Wednesday. A red alert level for "extreme thermal stress" has been extended in the grand duchy until Saturday night.In Germany, Hamburg's half marathon has been cancelled on Sunday and national train operator Deutsche Bahn is offering free ticket cancellations over the next few days for anyone not wishing to travel because of the extreme heat. Czech Railways have told passengers they should consider postponing their trips if they do not have to travel.Much of northern and southern Switzerland was put on maximum weather alert by MeteoSuisse, which warned of a "significant drought situation".