OSCE drone detected fire from 152 mm howitzer near Avdiivka in Donetsk region. OSCE special monitoring mission reported this on June 2.
Their drone noticed two self-propelled guns 2S3 Akatsiya in militant-controlled Mineralne (10 km from Donetsk city). They fired four times, and then another two blasts were detected.
The Mission has also published the video of the attacks.
Watch the video: