i'm fawz fauziah ibrahim and you're watching news live from doha. >>> a ceasefire takes effect in eastern ukraine but both sides are already blaming each other for violating the truce. plus. >> i'm nick clark. why we're following the tracks of a syberian tiger making its way through the snow here. >>> we begin in denmark. a massive man hunt had been underway after two separate shootings killed two people and wounded five police officers. suspects opened fire at them in a train station north of the city. copenhagen police gave this update. >> we believe that the same person is behind both shootings. and the person shot in the train station is the same perpetrator. >> let's go live to christine harker. christine, have police given any more details behind the suspect or the motive? >> they have not. the largest police investigation in modern times trying to find at the time what they weren't clear it was one gun pawn or twoman or two gunmen. now they say the person they shot was the person trairlt behind both attacks. the streets are of copenhagen, and following the killing of this presumed