UPDATE — 5:52 p.m. ET: The "all clear" has reportedly been given:
All clear, per USCP.— Hannah Hess (@ha_nah_nah) February 10, 2014
DIRKSEN: all clear.— Lisa Desjardins (@LisaDCNN) February 10, 2014
Capitol Hill Police are investigating a report of a suspicious substance in the Dirksen Senate Office Building located in Washington, D.C., multiple outlets reported late Monday afternoon.
Outside Dirksen office closed while Capitol Police examine suspicious substance in an envelope. pic.twitter.com/E5H0JTFF5M— Hannah Hess (@ha_nah_nah) February 10, 2014
"USCP is currently conducting an investigation into a suspicious substance in the Dirksen... Will update when there is more to share." -Spox— Hannah Hess (@ha_nah_nah) February 10, 2014
This is a breaking news story. Updates will be added.
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