Update on early morning hazmat situation.
A representative from the Post Office has just reported the powder has been tested and is negative for hazardous material.
The Tucson Fire Department hazmat crew has been called back, after an earlier alert about a suspicious envelope had been reported at the Cherrybell Station.
According to TFD, the envelope had some type of yellow powder inside. The hazmat crew was called to the scene to help determine what the powder was.
Stay with Tucson News Now this morning for updates as they come into the newsroom.
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