The Health and Safety Executive is investigating the explosion which happened on Pimlico Road in central London, yesterday morning.
"We are aware of this and we are making inquiries into what happened."
More top news
Harlesden's James DeGale has successfully defended his IBF super middleweight title against Rogelio Medina.
The Boeing 777 was reportedly intercepted by two Hungarian Air Force Gripens after it lost contact with air traffic controllers.
Ex-London mayor Ken Livingstone says he is sorry for the "disruption" caused by his comments that Adolf Hitler was a supporter of Zionism.