Police have been called out to a report of a man having fallen from a car park at Sainsbury's in Maidenhead.
A Thames Valley Police spokesman said officers were called to St Mary's Walk at 12.39pm and that they and the air ambulance are still at the scene.
Witnesses said they saw air ambulance paramedics running from Kidwells Park to the car park in Providence Place.
Reporter Katherine Denham is at the scene and saw the man carried out on a stretcher to the park, still alive but it looked as though he had chest injuries.
The man is on the stretcher in the park being prepared to go on the air ambulance.
A second air ambulance landed at 2.10pm.
Lots of onlookers are stood watching in the park, there are four police cars, one ambulance and two ambulance emergency response cars at the scene.
The supermarket is still open, a path leading to the car park has been cordoned off.
The Thames Valley and Chiltern Air Ambulance (TVACAA) service has confirmed that a man in his 30s has been taken to St George’s Hospital in London this afternoon.
A spokeswoman from TVACAA has said that it is likely an aircraft from Hampshire and Isle of Wight Air Ambulance service was called because they did not have a doctor on board the first helicopter.
Police have confirmed they were called to St Mary’s Walk near Sainsbury’s at 12.39pm after a man fell from Hines Meadow car park.
A spokeswoman for Thames Valley Police has said a man has been taken to St George’s Hospital to be treated for 'life-threatening' injuries.
The issue is still on-going.
UPDATE WEDNESDAY, MAY 28, 12.20pm:
A spokesman for Thames Valley Police has said the man is still in a 'critical condition'.
The incident is not being treated as suspicious.
Top Ten Articles
The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.