White House lockdown after smoke bomb thrown into grounds

http://www.guardian.co.uk

White House lockdown after smoke bomb thrown into grounds

Obamas were not home when device was tossed over fence during Occupy DC protest, say officialsThe White House was locked down for more than an hour on Tuesday night as authorities investigated what appeared to be a smoke bomb tossed over the fence of the executive compound. The device was thrown over the fence at one point when about 1,000 to 1,500 Occupy DC protesters were demonstrating outside the White House, Secret Service spokesman George Ogilvie said.