Heathrow is shut after a fire knocks out power. What airlines are impacted. - MarketWatch
1. Heathrow Airport closed due to power outage from a fire. 2. 1,350 flights affected, including many from U.S. cities. 3. International Airlines Group (IAG) is the most impacted airline. 4. Significant disruption expected, impacting passenger travel plans. 5. Heathrow's closure mirrors previous travel disruptions earlier in the year.