Dhaka, March 22 -- Heathrow Airport was forced to shut down on Friday following a massive fire at a nearby substation, which knocked out its power supply and backup systems, causing widespread disruption.
The fire, which began around 11 pm (2300 GMT) on Thursday, produced huge orange flames and black smoke, severely affecting Europe's busiest airport and stranding passengers worldwide.
The blaze caused a power failure that impacted over 1,350 scheduled flights, including a Biman Bangladesh Airlines flight, BG-201, which was forced to return to Dhaka midway through its journey.
The flight, which had taken off from Dhaka and made a brief stop in Zurich, was diverted back to Dhaka after departing Zurich due to the power outage at Heathrow....