Cristian saw the explosion happen. He has tweeted the photo above.
More top news
Five teenagers have been arrested in connection with the murder of a Polish man in what police say is a possible hate crime.
A man who fell asleep with a loaded gun on his lap while sat in traffic has been jailed.
A comedian who fell asleep in an Uber car got a shock when the journey that should have taken minutes ended up as a 35-mile detour.