Shots fired at Washington Navy Yard

An officer from the Washington Navy Yard walks out of the building where an early morning shooting rampage erupted Monday, leaving at least 13 people dead, Sept 16, 2013. Among the dead on the grounds of thecapital's Navy Yard was a suspected gunman, identified by officials as 34 year old Aaron Alexis, a man from Fort Worth, Texas. [Photo/Xinhua]