Fire crews swarmed an industrial estate after a hazardous chemical reaction.

Engines from across West Sussex descended on Gillmans Industrial Estate in Natts Lane, Billingshurst near Horsham after the chemical reaction in one of the units.

Firefighters later isolated the issue using an aerial platform. A cordon was put in place to protect people from the scene.

The Argus: Firefighters in BillingshurstFirefighters in Billingshurst (Image: Sussex News and Pictures)

A spokeswoman for West Sussex Fire and Rescue Service said: "At 4.50am this morning we responded to a hazardous materials incident at an industrial building in Natts Lane, Billingshurst.

"Joint Fire Control sent fire engines from Billingshurst, Crawley, Horsham, Petworth, Worthing and Surrey Fire and Rescue Service to the scene, as well as a command support unit from Haywards Heath and an aerial ladder platform from Worthing.

"Upon arrival firefighters wearing breathing apparatus entered the premises to carry out investigations. The cause of the chemical reaction was located and firefighters isolated the issue.

The Argus: Firefighters in BillingshurstFirefighters in Billingshurst (Image: Sussex News and Pictures)

"Sussex Police were also in attendance and officers assisted the fire service in setting up cordons to keep members of the public safe.

"Fortunately there were no casualties and extensive checks were carried out to ensure the building was safe, before the incident was handed over to the occupiers.

"Fire crews left the scene at around 7.40am."