Shots fired for second time at Marine Corps museum in Quantico

Prince William County police officers block the entrance to the National Museum of the Marine Corps where shots were fired yesterday in Quantico, Virginia, on October 29, 2010. This is the second time the museum has been targeted. Shots have also been fired at the Pentagon and a military recruiting center over the last two weeks but no one has been injured. UPI/Roger L. Wollenberg