Footage of huge clouds of smoke on Kingsway in Holborn, central London, UK on Wednesday.

In the video, captured by a bystander, large plumes of smoke can be seen escaping grates in the road.

According to local reports, an electrical fire under the pavement led to more than 2,000 people being evacuated.

"Thick black smoke emitted from below street level on Kingsway, Holborn. Video taken moments before the street was cordoned off by police, fire officers and ambulances," the filmer later wrote online.

Footage of huge clouds of smoke on Kingsway in Holborn, central London, UK on Wednesday.

In the video, captured by a bystander, large plumes of smoke can be seen escaping grates in the road.

According to local reports, an electrical fire under the pavement led to more than 2,000 people being evacuated.

"Thick black smoke emitted from below street level on Kingsway, Holborn. Video taken moments before the street was cordoned off by police, fire officers and ambulances," the filmer later wrote online.