A man has been flown to hospital in a life-threatening condition after collapsing on a bus in Larkfield.

Paramedics were called to a roundabout on Leybourne Way shortly before midday after the man became unconscious.

The air ambulance joined two road ambulances and one response car as the man was resuscitated close to Larkfield Leisure Centre.

VIDEO: Man fighting for life after collapsing on bus

An eyewitness said a man in shorts was put into the back of the helicopter after being treated in a road ambulance.

The man has been taken to St George's Hospital in London.