PYONGYANG, Sept. 5 (Xinhua) -- The national security service of the Democratic People's Republic of Korea (DPRK) said Wednesday it had arrested several foreign spies and native citizens working for a foreign intelligence service.

    A spokesman for the national security service told reporters in Pyongyang that the spies used digital cameras and video cameras to collect information on the DPRK's vital military installations.

    But the spokesman did not elaborate on the specific number and the nationality of those arrested.