Marine Corps Reserve Corporal Arrested in Pentagon Bomb Scare

A commercial passenger flies over the Pentagon after taking off from Washington D.C.'s National Airport, May 21, 2006, above Arlington, Virginia.
A Marine Corps Reserve lance corporal who was carrying suspected bomb making materials and pro-al Qaeda literature was arrested in Arlington National Cemetery early this morning, triggering a bomb scare that snarled Washington's morning rush hour. The FBI, however, determined that the material in the man's backpack was harmless.

"There was not a device and the products found are determined right now to be inert," said Brenda Heck, special agent in charge of counterterrorism for the FBI.The material in the suspect's backpack tested negative as a potential explosive, sources said.Sources told ABC News earlier that the backpack contained what was believed to be ammonium nitrate and spent ammunition for an automatic weapon. The material was reportedly contained in four large ziplock type bags.Sources also said there were pro-al Qaeda statements found in a notebook that contained mostly notes for a financial class. There was also was a page containing words "al qaeda," "Taliban rules," "mujahidin" and "defeated coalition forces."The suspect was identified as Yonathan Melaku, 22, of Alexandria, Va. U.S. Park Police said no charges have been filed against him yet.