Stand-off over 'tortured' Ukrainian activist Dmytro Bulatov
31 January 2014 Last updated at 22:46 GMT
Medical workers have blocked police from questioning a Ukrainian protester who says he was abducted and tortured.
Dmytro Bulatov, who went missing for eight days, is being treated in hospital after claiming he was "crucified" by his captors.
Duncan Crawford reports.