White House placed on lockdown after object thrown over gate

WASHINGTON (AP) — The White House has been placed on lockdown after a woman threw something over the north fence along Pennsylvania Avenue.
Reporters were not allowed to venture out of the White House press room and a call to the Secret Service was not immediately returned.
However, a woman was detained. She was placed in handcuffs. Fire trucks and a hazardous materials response unit were called to the scene. It is common for officers to sweep the grounds after such incidents to ensure not