A severe heatwave is impacting several European countries, with Italy reporting four heat-related deaths. Temperatures in central and northern Italy have reached 37-39 degrees Celsius. Simultaneously, the United Kingdom experienced its hottest June day on record Wednesday. The extreme heat is causing concern for public health and potential strain on infrastructure. Authorities are urging residents to take precautions, including staying hydrated and avoiding strenuous activity during peak hours. The heatwave highlights the increasing frequency and intensity of extreme weather events linked to climate change across the continent. Further monitoring and potential advisories are expected as the heat persists.