Stephen Fry has been rushed to hospital after he reportedly fell off the stage at the O2.
The actor fell to the floor after giving a speech at an AI and technology festival on Thursday.
Fry, 66, tumbled six feet as he exited the stage at CogX festival.
The former QI host sustained rib and leg injuries before being rushed to hospital.
WATCH NOW: Stephen Fry's speech on AI
It is not clear whether Fry is still in hospital.
Fry was reportedly taken away in a wheelchair, a source told MailOnline.
“It looked like it was too dark and there didn't look like there was a handrail,” the source said.
“He fell two metres to the floor.”
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Stephen Fry speaking at GogX
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A spokesperson for CogX festival said: “We were deeply concerned to hear of Stephen's accident after giving his inspirational speech on the impact of AI.
“We are thinking of him and wishing him a swift recovery.
“We have opened our own enquiry and until then we are not able to share any further details.”
London Ambulance Service were called to the scene around 11:31am to reports of an incident at the O2 arena.
“We sent a medic in a fast-response car, an ambulance crew, and an incident response officer to the scene,” the medical response service said.
“We treated a man for rib and leg injuries before taking him to hospital.”
Event-goers were reportedly charged £495 per ticket to see over 500 speakers over three days.
One attendee wrote on social media: “Thank you for the superb talk at CogX. I hope you are ok also after a tumble.”
Fry told the 90,000-strong audience that: “We have to choose whether we want to be Prometheus or Zeus”.
“The one thing we can agree on is that it's a f***ing weird time to be alive.”
It comes after Stephen Fry was branded a cultist over Brexit by GB News' Mark Dolan.
