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 beleived 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.
More top news
The curtain will come down on the show for the final time at the Piccadilly Theatre in March next year, before embarking on a UK tour.
Choudary was jailed after encouraging backing for the terrorist group IS in a series of talks posted online.
In an interview with ITV News, Antonio became the first England player to speak out about the allegations against Sam Allardyce.