High-intensity combat with the use of cannon and rocket artillery occurred all along frontline positions in the Donbas, Ukraine’s military reported in a morning communique on May 20.

Over the past 24 hours, Russian-backed forces committed at least 58 ceasefire violations in the war zone, the Joint Forces Operation press center said, adding that in as many as 22 incidents the militants engaged 122-millimeter artillery pieces, and 120- and 82-millimeter mortars.