The violence occurred in the restive Luhansk region . At least 55 other people were injured , according to the nation 's counterterrorism office . Hide Caption 1 of 168 Photos:Photos: Crisis in Ukraine Crisis in Ukraine – The European Union is sanctioning 11 more people over the crisis .
The violence occurred in the restive Luhansk region . Hide Caption 1 of 168 Photos:Photos: Crisis in Ukraine Crisis in Ukraine – The European Union is sanctioning 11 more people over the crisis .