Police Respond to Reports of Gunshots at Navy Yard in Washington, D.C.

Officers respond to reports of gunfire at the Navy Yard in Washington, D.C. on July 2, 2015. Earlier this morning gun shots were allegedly heard in the same building that 12 people were killed in during a 2013 mass shooting. After a heavy police response and search no evidence of a shooting or gunman found. Photo by Kevin Dietsch/UPI