At 2.17pm on Thursday (9) crews were called to reports of a suspected chemical leak at Fenmarc Produce Limited on Gosmoor Lane in Elm Part.
At 2.17pm on Thursday (9) crews were called to reports of a suspected chemical leak at Fenmarc Produce Limited on Gosmoor Lane in Elm Part.
Crews from Wisbech, March and St Neots attended the incident. They arrived quickly evacuated the building as a precaution.
Firefighters wearing breathing apparatus entered the premises to check for any spillages using specialist monitoring equipment. Nothing was found and the site was left with the on-site team.
Four casualties were treated by ambulance crews, three of whom were discharged with no injury.
The crews returned to their stations by 4.55pm.