An ambulance drives through barricades on the Unification Bridge near the border village of Panmunjom, that has separated the two Koreas since the Korean War, in Paju, north of Seoul, South Korea, ... more 
An ambulance drives through barricades on the Unification Bridge near the border village of Panmunjom, that has separated the two Koreas since the Korean War, in Paju, north of Seoul, South Korea, Sunday, April 7, 2013. South Korea said its top military officer has put off a plan to visit Washington due to current tension with North Korea. (AP Photo/Lee Jin-man) less 
1 / 30
Associated Press | Photo By Lee Jin-man
Sun, Apr 7, 2013 5:55 AM EDT