Record life‑threatening calls in London heat (opens original article in a new tab)

London Ambulance Service faced record life-threatening emergencies during a heatwave, with 642 Category 1 calls on the hottest June day on record, prompting additional ambulance deployments and public health warnings.

• London Ambulance Service recorded a record 642 Category 1 calls on a heatwave day
• Emergency responses included cardiac arrests, breathing difficulties, and heat-related illnesses
• LAS deployed 400 additional ambulance crews during the extreme heat
• Wednesday was LAS's fifth busiest day in its history
• Jason Killens urged public to stay hydrated and avoid sun exposure