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ST. LOUIS – Fire crews responded to a hydrochloric acid spill at an aerospace company in Hazelwood Friday afternoon. The spill has been contained and there is no danger to the public.

The incident happened at GKN Aerospace on McDonnell Boulevard around 4:45 p.m. GKN is a British Aerospace company that works closely with Boeing.

The spill was mixed with water causing hydro fluorine gas to form. Aerospace workers were evacuated from the buildings. Decontamination stations were set up outside the site.

The spill was contained by north and west St. Louis County firefighters. Two firefighters who were injured were treated at a hospital and were released.

The operations at the GKN Aerospace will be offline for the next several days as GKN and a contractor clean up the buildings.

Lindbergh, James S. McDonnell Boulevard, and Banshee Road have been reopened.

Bommarito Automotive Skyfox was over the scene where there were yellowish-brown color fumes coming out of smokestacks.

GKN released a statement saying its focus is on the safety of its employees and personnel at the facility. The company is working with first responders and officials and will release an update when necessary.