The explosion took place from a distance less than 300 meters from the OSCE SMM observers not far from Petrovske, Luhansk region as it is stated in the OSCE report.
Russia's War Against Ukraine
112.ua: Explosion takes place near OSCE patrol in Donbas
A fighter of Ukrainian volunteers Donbas battalion practices shooting during military drills not far southeastern Ukrainian city of Mariupol, on April 1, 2015.
