Fire near UK's Heathrow Airport causes widespread disruption to air travel worldwide

A fire near London's Heathrow Airport has disrupted air travel worldwide, causing flight cancellations and diversions across multiple airlines, including British Airways and others. The incident is being investigated by UK authorities, but it's unclear what caused the blaze. Many flights are still grounded as the situation continues to unfold, with potential travel disruptions expected for days or even weeks. Air traffic control officials are working to restore normal operations as quickly as possible.