geneva foreign detainees north korea reportedly deny due process court hold inhumane condition unite nations investigator say friday tomas ojea quintana u.n. special rapporteur human right north korea also say military threats exchange washington pyongyang divert attention need ordinary north koreans welcome release week canadian pastor hyeon soo lim humanitarian ground serve two years sentence hard labour life charge plot overthrow regime lim family say thursday critical condition least nine foreigners three americans six citizens south korea remain custody north korea u.n. expert say otto warmbier u.s. student hold 17 months sentence 15 years hard labour try steal propaganda item hotel release coma june die within days circumstances death remain unclear concern report detainees receive due legal process hold inhumane condition ojea quintana say statement issue geneva north korean authorities oblige provide foreign detainees access consular support interpreter entitlements take grant base information receive say international committee red cross icrc visit detainees worldwide access political prison camp north korea believe hold 100,000 people u.s. president donald trump issue new threat north korea friday say american weapons lock load pyongyang accuse drive korean peninsula brink nuclear war threats divert attention situation ordinary north koreans whose subsistence protection need treat absolute priority say ojea quintana argentine lawyer take independent u.n. post last year 2014 u.n. report catalogue massive violations north korea include large prison camp starvation executions say bring international criminal court icc landmark report strongly reject pyongyang say north korean leader kim jong un might personally responsible crimes humanity report suggest north korea treat foreign detainees inhumanely u.n