Heathrow Airport announced its reopening following a fire that caused a significant power outage, currently under investigation by the Metropolitan Police's Counter Terrorism Command. Approximately 70 firefighters responded to the fire at the North Hyde Electricity Substation, which severely disrupted airport operations. British Airways and Lufthansa Group Airlines reported cancellations that affected many passengers, while efforts are being made to provide alternative travel options. Authorities confirmed that there were no injuries, although 29 people were evacuated from nearby properties as a precaution.