BREAKING: South Korean sources report sudden and expansive use of metal detector devices along the southern side of the DMZ.  The alleged activity appears based on fears that North Korea has activated sleeper cell agents in the south's capital.  Agents our feared to have begun placing remotely controlled and trigger controlled explosive devices along the southern side of the DMZ as well as along roadways that would be utilized to fend off any Northern attack.  It is feared that up to 5,000 devices may have been placed under cover of darkness and by agents disguised as road repair crews.  More info as sources warrant.  Metal detector info at http://www.huntermetaldetector.com