Tate Modern: Boy, six, 'thrown' from 10th floor Published duration 5 August 2019

image copyright Stuart Haggas image caption Ambulance staff dealt with the casualty at the scene

A teenager was still being questioned after a six-year-old boy was thrown five floors from the 10th floor of the Tate Modern art gallery in London.

The boy, who landed on the fifth floor roof, is in a stable but critical condition following the fall on Sunday.

A witness said they heard a "loud bang", before seeing a woman scream: "Where's my son, where's my son?"

A 17-year-old boy arrested on suspicion of attempted murder remains in police custody.

The Met Police said the six-year-old was thrown from a viewing platform.

image copyright PA Media image caption The emergency services arrived in force at Tate Modern after the boy's fall

"We treated a person at the scene and took them to hospital as a priority," a London Ambulance Service (LAS) spokesman said.

The boy was taken to hospital by air ambulance after he fell at about 14:45 BST.

A police spokesman said there was "nothing to suggest [the suspect] is known to the victim".

The teenager had remained on the platform after the boy fell, police said.

Visitors were initially locked inside the gallery at Bankside on the South Bank.

'Where's my son?'

Admin worker Nancy Barnfield, 47, of Rochdale, was at the 10th floor viewing gallery with a friend and their children when her friend heard a "loud bang".

Ms Barnfield said she turned around and saw a woman screaming: "Where's my son, where's my son?"

Members of the public quickly gathered around a man who was nearby, she said.

Ms Barnfield said: "We did not notice the mum before, we noticed her after because she was hysterical by then."

She said the person who was restrained by members of the public before the police arrived "just stood there and was quite calm".

Olga Malchevska, who was also on the 10th floor, said she heard a scream and then headed to the exit with her child.

"Some people started panicking. We got to the packed lift. People there were saying that one boy threw another one from the balcony. We were all shocked."

image copyright PA Media image caption A London Air Ambulance helicopter takes off from outside the Tate Modern

Stuart Haggas said he saw emergency crews moving along the roof between the gallery's Turbine Hall and its recent extension.

"They were carrying a stretcher with someone on it, plus a second stretcher was waiting by the door," he said.

BBC correspondent Jonny Dymond, who was also there, said visitors were "funnelled towards the main Turbine Hall and the exits were all closed".

"There were quite a lot of families with children, and security guards told us we couldn't leave," he said.

"There were at least two fire engines, 10 police cars and an incident control unit. Parts of the exterior of the building were taped off."

The Tate Modern opened in the disused power station on the River Thames in 2000.

It was the UK's most popular tourist attraction in 2018 with 5.9 million visitors, according to the Association of Leading Visitor Attractions.

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