Sen. Rob Portman, R-Ohio

Envelope with white powder sent to Sen. Portman’s office

RELATED: Vanessa Trump taken to hospital after white powder scare

Crews were called to 37 West Broad Street in downtown Columbus just before 4.p.m. Friday.

Battalion Chief Steve Martin said the incident remains under investigation at this time.

Channel 10 will continue to update this story as it develops

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