Updated at 3:25 p.m. — The bomb squad has cleared the package and all units are leaving the scene.
Earlier: Authorities are on the scene of a suspicious package in Ft. Myer Heights.
Arlington County police and firefighters are at the scene in the 1600 block of Ft. Myer Drive.
Police say an abandoned backpack was found leaning on a natural gas service box. The bomb squad is heading to the scene to investigate.