The Tower of London was evacuated this evening after a fire broke out in a kitchen.
Hundreds of people attending the International News Media Association (INMA) congress were forced to leave the Historic Royal Palace shortly before 7.50pm.
Attendees to the congress posted photographs and videos on Twitter showing several fire engines outside the historic landmark and crowds of people who had been forced to leave the building.
Gasant Abarder (@GasantAbarder) tweeted: "So I'm at the Tower of London and there's a fire. Everyone evacuated. This is not a drill."
Four fire engines were sent to the scene after a small fire broke out in the New Armouries restaurant kitchen, a London Fire Brigade spokeswoman said.
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Firefighters used one hose reel to extinguish the blaze and emergency services left the Tower of London shortly before 8.15pm.
There were no reports of any injuries.
The INMA congress runs from May 22 to 24 and brings together journalists from across the world to discuss the evolving nature of news.
The welcome reception takes place at the Tower of London this evening and awards dinner will be hosted at the Victoria and Albert Museum.