White powder reported at John Marshall Courts Building

RICHMOND, VA (WWBT) - Richmond Fire and Police crews are responding to a report of white powder at the John Marshall Courts Building.

A worker in the court clerk's office open up an envelop and encountered a small burst of white powder, according to the Richmond Sheriff's Department.

Crews are investigating to see if the powder poses any threat.

Copyright 2012 WWBT NBC12.  All rights reserved.