article_snippet.sent: Temporary shutdown: Capitol Police secure as officers begin to remove hazmat suits in a hallway in the Cannon House Office Building after a suspicious powder was discovered on Wednesday .
article_snippet.sent: the Congressman said that Capitol Police were 'prompt and professional.'
article_snippet.sent: The area has been reopened,' department spokesman Shennell Antrobus said in an email.
article_snippet.sent: Fearful: Capitol Hill workers wait as Capitol Police secure a hallway in the Cannon House Office Building after a suspicious powder was discovered at the Cannon House office building office of Doyle .