The OSCE SMM official states that the initial positions of the shelling have been established. According to the mission, shelling was from the west side. That is, from the positions taken by the Ukrainian security forces.
OSCE special mission report leads Ukrainian portal "Correspondent":
The SMM conducted an analysis of two craters directly on the scene of the incident and two more in the nearby residential area. According to the analysis, the SMM determined that the fire was fired from the west-south-west. According to preliminary estimates, the type weaponswhich was used - artillery of caliber not less than 122 mm. The death of 4 civilians is confirmed (one woman and three men). One person was seriously injured and sent to a clinic in Donetsk.
Recall that the shelling occurred on the night of April 27 (around 2: 45 local time).
MAYAK TV material on YouTube:
Will the Poroshenko, who usually likes to travel around Europe and the USA and demonstrate, for example, fragments of a bus or "Russian passports and military tickets", present the personnel of the West to kill the security forces in Yelenovka? ..