version november story correct 1st 8th paragraph add minsk signatories andrea shalal sabine siebold berlin international security organization call party eastern ukraine conflict pull back tank heavy weapons five people injure nine-year-old child kill weekend shaky ceasefire ukraine region pro-russian separatists regularly violate violations spike recent weeks alexander hug principal deputy chief monitor organisation security co-operation europe mission ukraine say interview osce 503 monitor region see weekly average 220 incidents involve heavy weapons around 40 week harvest ceasefire total 3,877 weapons spot year violation ceasefire warn signal uptick hug say warn report situation gradually deteriorate military technical issue tackle ... may see increase violence towards end year hug say grind freeze region late month say would easy move around tank heavy artillery equipment heavy weapons main cause death conflict first break 2014 claim 75 live injure 346 far year percent last year hug say 10,000 die since 2014. kiev accuse moscow send troop heavy weapons region russia deny hug urge side implement decisions already make minsk ceasefire agreement withdraw heavy weapons along 500-kilometre 300 mile line conflict disengage oppose force often star 10 meter apart along 500-km contact line fight take place stand basically next course recipe say side violate ceasefire hug say return fire also violation agreements exception non-use weapons say osce see increase ceasefire violations east ukraine