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St. Louis, MO (KSDK) - Authorities say the St. Louis Art museum has now been given the all clear.

Late Thursday morning the museumin Forest Park was evacuateddue to a prevalentsmoke odor.

The St. Louis Fire Departmentnow says the smell came from an overloaded motor in the H-VAC system.

No one was hurt.Patrons are allowed back into the museum.