Speaking to the Islington Gazzette, Umit Bakir, who works for a minicab company said:
I looked outside and I could see the fire coming up from underground. Then the fire brigade came and closed the road. My business was far enough away, but if I had been at Iceland I would have been a bit worried.
More top news
The family of a father-of-three from East Ham have made a fresh appeal to catch his killer 20 years after he was murdered.
The Metropolitan Police has paid £45,000 in damages in an out-of-court settlement following the 'unlawful arrest' of a black motorist.
John Cantlie, who worked for a number of Fleet Street newspapers, is thought to have been taken hostage in November 2012.