'Widespread power cut' due to large fire at London electrical substation
Dozens of firefighters are tackling a fire at an electrical substation in Hayes, west London.
Homes have been left without power, with videos on social media showing thick plumes of smoke.
London Fire Brigade (LFB) said 10 fire engines and around 70 firefighters were at the blaze at Nestles Avenue.
Around 20 people have been evacuated from surrounding properties and a 100-metre cordon has been put in place as a precaution.
LFB said there have been more than 190 calls over the incident.
Residents have been urged to keep windows and doors closed due to the "significant amount of smoke".
Scottish and Southern Electricity Networks said on X there was a large power outage in the area.
"We're aware of a widespread power cut affecting many of our customers around the Hayes, Hounslow and surrounding areas," they said.
A graphic on the company's website suggested around 16,000 customers could be affected.
It estimated the issue would be resolved by 3am.
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