LEAD:
Investigators in Russia have opened a criminal case into a knife attack at a school in the city of Perm. The attack left 15 people injured, three of whom the authorities say are in a serious condition in hospital. Julia Lyubova reports from Moscow.
IN: Investigators said…
OUT: SOC
DUR: 38'
GENERIC: http://www.fsnradionews.com/feeds/0116permschool-jl-generic.mp3