London’s emergency services experienced a record number of callouts as a heatwave gripped the UK, with temperatures reaching 36.4°C in June. Hundreds of calls were received regarding heat-related health issues, including cardiac arrests and breathing difficulties. Paramedics responded to a total of 3,600 individuals requiring assistance. The surge in emergency calls strained resources, highlighting the impact of extreme heat on public health. Authorities are urging residents to take precautions, including staying hydrated and seeking shade, as the heatwave continues. This record temperature for June underscores the increasing frequency of extreme weather events and their consequences. The situation prompted warnings about the vulnerability of urban populations during periods of intense heat.