UPDATE: The white powdery substance found earlier today at local U.S. Post Office Distribution Center has been determined non-hazardous, according to the Newton County Sheriff's Office Lt. Keith Crum.

Crum said the powder scare was a "false alarm."

He also said a postal office inspector checked the mysterious substance and believes it may have come from a warehouse.

After finding the powder, Crum said post office employees along with law enforcement agencies went through a protocol of tests, which involved shutting the post office temporarily, to limit exposure and/or contamination.

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Previous Story: Newton County Sheriff's Office and Fire Department are currently investigating a powder scare at the U.S. Postal Service Distribution Center on 10721 By Pass Road in Covington.

Authorities said two people went to Newton Medical Center on their own accord and are working to clear the building and determine what the powder is.

More details to follow.