Police are currently at Rougham Tower Avenue in Bury St Edmunds at the scene of an industrial incident.
They were called just before 3pm today, Thursday 1 April, along with the fire and rescue service. The Health and Safety Executive has also been informed.
The incident remains on–going and investigations continue.
At this stage it is believed that one person is affected, although the cause will have no wider threat to the community.
A police cordon remains in place whilst the investigation continues.