The London Fire Brigade was called to the Shard after reports of smoke in the basement of the building.
More than 50 firefighters and seven fire engines helped evacuate close to 900 people from the skyscraper. Water was pumped into the Shard despite no apparent flames.
No injuries have been reported.
We have been called to reports of smoke in the basement of The Shard. We were called at 10.30am. More soon.
— London Fire Brigade (@LondonFire) June 5, 2014
— Chris Hackett (@mrchrishackett) June 5, 2014
All going on down at the Shard! pic.twitter.com/ToVloylbxB
— William Simmons (@willsrace) June 5, 2014
London Fire Brigade said: “As a precaution the building is being evacuated. No injuries have been reported.
“Seven fire engines and around 50 firefighters are at the scene, this is normal for this of building. Firefighters from Soho, Dockhead, Old Kent Road, Shoreditch, Whitechapel and Lambeth fire stations are at the scene.
“The Brigade was called at 1030.”
In a statement, Met Police said: “Police were called at 11:09hrs on Thursday 5 June to The Shard, St Thomas Street, SE1 after London Fire Brigade were called to reports of a fire at the premises.
“Police, London Fire Brigade and London Ambulance Service attended the fire which is believed to be in the basement of The Shard.
“A full evacuation is now underway.”
“No reported injuries at this time. No arrests. Enquries re cause of fire are ongoing.”