By CBS Baltimore Staff

WINDSOR MILL, Md. (WJZ) — Two employees at the FBI Building in Windsor Mill were hospitalized after an unidentified chemical “became aerosolized,” according to Baltimore County Fire.

The FBI said a package was opened containing an unknown substance, and out of an abundance of caution, two employees were transported to a hospital for medical observation.

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According to Baltimore County Fire, the employees have non-life-threatening injuries. Hazmat said the substance was non-hazardous.

The call came around 1:42 p.m. at the building at the 2600 block of Lord Baltimore Drive in Windsor Mill.

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CBS Baltimore Staff