UPDATE: AN INTENTIONAL ACT: The NTSB believes the pilot set his own house on fire, and flew his plane into the building where the FBI is located. A small plane hit a seven-story Austin, Texas building, known as the Eschelon Building, at about 10 AM CST this morning. At this moment, there is no information on the plane or its occupants. On going updates as available. See continuing updates here.
The plane was a single-engine. The 7-story building is in the 9400 block of Research Boulevard, near U.S. 183 and MoPac. The nearest airport is Austin Bergstrom International Airport, about 15 miles away. The crash site is on the airport flight path.
Electricity in the area is out, including traffic lights. Some streets are closed, and some locations have been evacuated.
Related and Background:
Austin Plane Crash - How Did So Many Escape?
Austin Eschelon Building Crash Site - Second body Found
Joe Stack Bomb Threat at Airport? Stack Burned House Down by Detonating a Bomb?
Joseph Andrew Stack Rant Against IRS: Joe Stack Suicide Note Online
Joseph Andrew Stack is Pilot Hitting Austin Building
Austin Eschelon Building: Plane Intentionally Flown into Building in Austin
Plane Hits Austin Building in Austin, Texas