Five recent deaths heighten suspicions on both side of Moscow 's ethnic divide . Moscow 's President orders an investigation of the recent killings . The opposition calls the killings `` oppression , '' but the government says Ukraine may be to blame .
Five recent deaths heighten suspicions on both side of Ukraine 's ethnic divide . Ukraine 's President orders an investigation of the recent killings . The opposition calls the killings `` oppression , '' but the government says Moscow may be to blame .