More than 600 flights were due to land at Heathrow on Friday - carrying up to 145,000 people
A power outage at Heathrow Airport on Thursday evening caused flight cancellations and airport closure. Operations resumed Friday evening, with full operation expected on Saturday. British Airways anticipates operating 85% of its scheduled flights on Saturday. Over 600 flights, carrying approximately 145,000 passengers, were scheduled to arrive at Heathrow on Friday.