In 1953, Operation "Big Switch" was under way as prisoners taken during the Korean conflict were exchanged at Panmunjom.

CNN: Monday,

In 1976, two American soldiers were killed by North Korean soldiers in a skirmish in the Joint Security Area in Panmunjom.

CNN: Monday,

It would not, however, discuss a request by the South that it should allow millions of separated families to exchange letters and set up a meeting-place in Panmunjom.

ECONOMIST: The Koreas

Meanwhile, South Korea said the North appeared to have cut the inter-Korean phone link at the border village of Panmunjom, through which the two sides communicate on issues along the border.

WSJ: North Korea Declares War Truce 'Invalid'

Separately, South Korea said the North appeared to have cut the inter-Korean phone link at the border village of Panmunjom, through which the two sides communicate on issues along the border.

WSJ: Pressure Rises on Korean Peninsula

Since the end of the war, only a few people have crossed the line at Panmunjom, the so-called joint-security area and the only place where barbed wire and mines are absent.

CNN: ASIANOW - TIME Asia | Korea: Korea's Big Show

Tao Duanfang, a commentator for Sohu news portal, is baffled at how North Korea has switched from making telephone overtures to US President Obama to threatening to cut phone lines at the border post in Panmunjom.

BBC: China media: Wen's mixed legacy

Today, on the 59th anniversary of the Military Armistice Agreement signed at Panmunjom, we honor all who served in the Korean War, and we pay lasting tribute to the brave men and women who gave their lives for our Nation.

WHITEHOUSE: The White House