Two pest controllers have been found dead at a factor in Norfolk.
The incident has happened at a poultry factory in what is believed to have been a chemical spill.
Police attended the factory at 1.10am this morning after two subcontractors were found dead.
Both subcontractors worked for a pest control company.
Police were called to Banham Poultry, Station Road, at about 1.10am on Thursday 4 October, following reports two subcontractors working on the site from a pest control company had been found deceased.
Two men, aged in their 30s and 40s, were found close to the factory. No one else was injured.
Next-of-kin have been made aware and Family Liaision Officers will be offering support.
T/Detective Chief Inspector Stu Chapman said: “On behalf of Norfolk Police and other emergency services, I offer my condolences to the friends and families of the men killed in this incident and our thoughts are with them at this difficult time.
“Colleagues from Norfolk Fire Service continue to make the scene safe so that detailed investigations can begin between police, fire, and the Health and Safety Executive (HSE), to understand the circumstances which lead to the men’s deaths.”
A police cordon remains in place.