More on KentOnline
The air ambulance landed at a park following a medical incident at a private address.
A yellow helicopter was seen at around 12.30pm on the field opposite Holy Family in Park Wood, Maidstone.
A first response car was also at the scene, and a witness said it then drove off towards Brishing Lane.
A spokeswoman for the South East Coast Ambulance Service confirmed that paramedics were called to a private address.
She was not able to provide any further details.
The police were not in attendance.