A spokesman for London Fire Brigade has confirmed that the blaze at a chemical processing plant in Greenwich is under control.
Small pockets of flames remain on site and fire fighters will be on site for most of the day to dampen embers.
The spokesman said that smoke over Greenwich has now dispersed and residents no longer need to keep their windows closed.
More top news
Police investigating the murder of a grandfather from West Ham have arrested a second man on suspicion of murder.
Police are appealing for information after a woman was killed and three people injured after a crash in east London.
A restaurant where pets and their owners can share a meal together has opened just in time for Valentine's Day.