berlin german chancellor angela merkel say friday want european union sanction russia lift peaceful condition achieve eastern ukraine speak election campaign rally eastern town strasburg merkel say russia grave violations international law make sanction necessary spend much time work achieve reasonable good relations russia merkel say add try along france achieve peaceful condition eastern ukraine moscow-backed separatists fight war kiev government moment get also lift sanction say add russia annexation crimean peninsula ukraine back separatists principles place since world war two russia action allow stand risk would repeat merkel say 'll lift russia sanction east ukraine peaceful merkel