The unnamed man obtained on a set of concrete steps called the Speaker’s Stairs after falling 15 feet from the s n above.
He was rushed to hospital in a neck brace with serious entirely injuries after the incident near the Houses of rliament.
Tourists and ssers-by tweeted spitting images and videos as the London Air Ambulance landed in rliament Square today.
It is believed the man was either hang back or standing on the bridge at around midday before losing his balance and deficient onto the hard steps below.
Witnesses claimed they saw the man being stretchered into an ambulance in vanguard of Big Ben after ramedics arrived at the scene.
The man, believed to be in his 40s, was taken to a major trauma meet by road ambulance.
A spokeswoman for the Metropolitan Police said: “Police were draw oned at 12:07hrs on Tuesday, 3 May to reports of a man having fallen from Westminster Tie onto concrete steps close to Speaker’s Green.
“London’s Air Ambulance turn up ated.
“The man was taken by ambulance to a central London hospital with a head harm.
“The incident is not being treated as suspicious.”
The RNLI had also attended the sphere via a lifeboat and a doctor on board who was first to assess the victim said he was intentional but “confused”.