Plane hits house near Washington, D.C.

Firefighters stand outside a smoking house where a small plane crashed in Gaithersburg, Md., Dec. 8, 2014.

A small, private jet has crashed into a house in Maryland's Montgomery County, and a fire official says three people on board were killed as well as three people in the house.

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Plane crashes into Maryland home

Firefighters stand outside a house in Gaithersbug, Md., Monday, Dec. 8, 2014, where a small plane crashed.

Plane crashes into Maryland home

A firefighter stands outside a smoldering house where a small plane crashed in Gaithersburg, Md., Monday Dec. 8, 2014.

Plane crashes into Maryland home

The window of a house is damage after a small plane crashed into the house in Gaithersburg, Md., Monday Dec. 8, 2014.

Plane crashes into Maryland home

An investigator from the National Transportation Safety Board (NTSB) examines wreckage near the site where a small plane crashed into a residential neighborhood in Gaithersburg, Md., Dec. 8, 2014.

The three occupants of the plane were killed in the crash, and investigators are searching for three people who are unaccounted for on the ground.

Plane crashes into Maryland home

An investigator from the National Transportation Safety Board (NTSB) examines wreckage near the site where a small plane crashed into a residential neighborhood in Gaithersburg, Md., Dec. 8, 2014. The three occupants of the plane were killed in the crash, and investigators are searching for three people who are unaccounted for on the ground.

Plane crashes into Maryland home

Utility workers and emergency personnel work near the site where a small plane crashed into a residential neighborhood in Gaithersburg, Md., Dec. 8, 2014. The three occupants of the plane were killed in the crash.

Plane crashes into Maryland home

Montgomery County, Md. Fire and Rescue Chief Steve Lohr speaks to the media next to the house and the wreckages of a small plane that crashed in the neighborhood in Gaithersburg, Md., Monday Dec. 8, 2014.