Emergency services are currently at the scene of a serious incident involving an aircraft.
Police, fire and ambulance crews were called to the incident near the A134 in Pebmarsh at about 9.25am on Monday.
A spokesman for Suffolk police said crews from Sudbury are assisting colleagues from Essex County Fire and Rescue Service at the scene.
UPDATE: Man dies after plane crashes into field
A spokeswoman for Essex County Fire and Rescue Service said: "We were called to an incident on Pebmarsh Road in Halstead this morning at 9.22am.
"On arrival firefighters reported that a light aircraft was on fire. Firefighters from Colchester, Halstead and Suffolk Fire and Rescue Service worked to quickly extinguish the fire.
"The incident was handed over to the police."
A spokesman for Essex Police said: "We are on the scene of an incident involving a light aircraft in a field off Pebmarsh Road, Halstead.
"Our response to this incident is ongoing.
"Anyone with information, CCTV, dash cam or other footage in relation to this incident, then please get in contact with us."
It is not yet clear if the plane crashed.
Anyone with any information is being asked to contact Essex Police quoting the incident number 270 of August 21.
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