There is an ongoing hazmat incident at the White House in Washington DC. The US Secret Service along with emergency personnel are investigating the situation.
The Secret Service has cordoned off a significant area around the White House, and a full hazmat response has been requested to the scene.
UPDATE 7:48 AM EDT --
DC Fire Hazmat Crews Find Cocaine Hydrochloride Near White House
Hazmat crews were also spotted inside the gate of the West Wing of the White House after they received reports of a suspicious substance being found.
DC Hazmat crews tested the suspicious substance, and it reportedly tested positive for cocaine hydrochloride.