more than 4,900 homes have been left without power,

*"Heathrow Airport, Europe's busiest airport, will be closed all day Friday due to a fire at a nearby electrical substation that supplies it with power. The closure could result in the cancellation of at least 1,351 flights to and from the airport in west London. Additionally, more than 4,900 homes have been left without power, and 150 people were evacuated from surrounding properties."*