The air ambulance has just taken off from a Clitheroe housing estate field to transport a man to hospital.
The helicopter landed on the field at Highmoor Park at just before 6pm with its paramedics subsequently helping to carry the poorly man from a land ambulance into the air ambulance.
Police also attended the incident and a crowd of onlookers gathered.
One local resident said: "This is the first time we've seen the air ambulance land on Highmoor Park field. Our thoughts are with the man's family."
The paramedics and the police were unable to give any more details regarding the man's condition.