The investigation is being conducted by U.S. Park Police, whose jurisdiction includes the property directly outside the fence surrounding the White House.

CNN: Man sets self afire outside White House

Accra, Ghana (CNN) -- Ten people were killed Saturday after a cargo plane crashed through a fence surrounding an airport in Accra, Ghana, and slammed into a bus, municipal and national officials said.

CNN: Officials: 10 killed after plane slams into bus in Ghana

The plane slammed into a TAM airlines building after narrowly clearing the airport's perimeter fence and rush-hour traffic on a surrounding highway.

NPR: Brazilian Prosecutors Seek to Close Airport After Crash