NORTHEAST PHILADELPHIA (WPVI) -- Police are investigating a tractor-trailer left unattended near a U.S. Navy support facility in Northeast Philadelphia.
The big rig was reported before 7:30 a.m. Thursday in the 700 block of Tabor Avenue in Philadelphia's Lawncrest section.
Video from Chopper 6 HD showed a tractor-trailer parked on the shoulder of a two-lane divided highway.
Philadelphia police units were on the scene. The back of the truck was open and officers were inspecting the contents.
Traffic was being detoured away from the area.
The tractor-trailer is parked near Naval Support Activity Philadelphia, a U.S. military facility.
The facility's website describes its mission this way:
NSA Philadelphia/PNY mission is to provide an operationally ready, secure shore infrastructure built upon a streamlined shore installation management organization committed to quality of life to our military members and civilian staffs and quality of community developed through extensive interaction and involvement with the community.