Seoul, South Korea: North Korea said the Friday that will expropriate five properties of South Korea in a tourist center of mountain had an operation on joint form in the isolated communist country, a development that probably will worsen the already injured relations.

North Korea has been demanding that the South was resuming tourist viajes to the facilities, which had been a key source(fountain) of income for the impoverished nation, but they were suspended after a North Korean soldier was shooting a South Korean tourist causing the death in 2008.

South Korea has refused to resume the tourist trips until his(her,your) requirements of which an investigation(research) combines on the death are carried out and the measures to guarantee the safety(security) of the tourists are definite.