WORKERS delivering chlorine to a Colchester swimming pool have been taken unwell after a possible chlorine leak, it is understood.

The Gazette understands those involved were delivering to the Corporal Budd VC Gymnasium in Berechurch Road, Colchester, this afternoon.

There is a 200 metre exclusion zone in place at the scene, with nearby residents urged to keep their doors and windows closed.

An Essex Fire Service spokesman stated four people are receiving medical treatment after they became unwell.

Gazette: Incident - emergency services are at the scene near the Corporal Budd VC GymnasiumIncident - emergency services are at the scene near the Corporal Budd VC Gymnasium

He said: “We are at the scene of an incident involving a possible chlorine spill or leak at a premises in Berechurch Road, Colchester.

“Four casualties are in the care of the ambulance service and we have five appliances plus two specialist hazardous material units in attendance.”

Eyewitnesses have also noted police officers have arrived at the scene.

Gazette: The scene in Colchester this afternoonThe scene in Colchester this afternoon

A Colchester Garrison spokesperson said: “A chemical spill was reported at the swimming pool at the Cpl Budd VC Gym just before 12.30pm today.

"Emergency services are on the scene and we are supporting them as they deal with the situation.”

More as we get it.