A pedestrian involved in a collision with an ambulance near Chelmsford was airlifted to hospital in a critical condition on Thursday evening.

The East of England Ambulance Service Trust (EEAST) has confirmed an ambulance was involved in a collision with a male pedestrian in Main Road in Danbury at around 5.15pm.

The man was treated by paramedics and airlifted to St Georges Hospital in Tooting in a critical condition.

In a statement, an EEAST spokesman said: “At around 5.15pm on Thursday, a collision occurred between an ambulance and a pedestrian in Main Road, Danbury, Essex.

“An ambulance crew, ambulance officer and East Anglian Air Ambulance attended and treated a man who had suffered serious injuries.

“He was airlifted to St Georges Hospital in Tooting in a critical condition.”

It is not yet clear if the ambulance involved in the collision with the pedestrian was responding to, or returning from, an emergency call.

An Essex Police spokesman had earlier said he was “aware” of the incident.

Main Road in Danbury remains closed in both directions between the Well Lane and Little Baddow Road junctions.