The trend culminated in the fatal stabbing of a discharged soldier, who'd got into a row with two drunken middle school students, the report says. The news site - which focuses on the secretive state - had previously reported students having their belongings searched by officers from Pyongyang's Ministry of People's Safety. And it's not just copycat violence that's said to be causing concern. Several middle school pupils in another border region - North Pyongan - went en masse to a sauna to re-enact a sex scene from a Chinese movie, the Daily NK reported in May