A suspect who opened fired at an industrial park in Aurora, Illinois has been shot dead, according to CBS2 in Chicago.

The city sent a tweet Friday afternoon saying police are on the scene.

Live TV reports show dozens of first responder vehicles outside a building housing the Henry Pratt Co.

CBS2 reports four police officers have been stabilized.

A suburban Chicago school district is keeping all of its students in their classrooms as police investigate an active shooter situation at an industrial park in Aurora.

West Aurora School District 129 says on its webpage that officials Friday afternoon are “holding all district students in place for their safety.”

The district also says that per directions from the county sheriff, the district has been advised to go into soft lockdown situation and that “teaching will continue with reduced movement.”

A building housing that houses the Henry Pratt Co. has been swarmed with police and paramedics after reports of the shooting.

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