The ceasefire, agreed by the parties, is not being implemented, the ministry said.
"We continue to see countless cases of the use of weapons along the line of contact," the German Foreign Ministry says.
Read alsoRussia opposes SMM deployment along whole border line, wants to continue arms supplies to occupied Donbas – MFA UkraineOver the past few days, 14 Ukrainian servicemen were killed in action in the zone of hostilities in Donbas and another 13 were wounded, which is a particularly large number of casualties over the latest period, the ministry said. It is assumed that the pro-Russian separatists suffered similar losses.
The ministry adds that "the parties to the conflict seem to lack the political will for a sustainable ceasefire."
Read alsoUkraine's defense ministry: Six "DPR" militants eliminated in Krasnohorivka battle on July 20 (Photos)"Even the most intensive negotiations attempts are in vain if there is not enough political will to carry them out. Eastern Ukraine is finally in need of visible steps toward peace," the foreign ministry said in a statement.
On July 20, five Ukrainian soldiers were killed in the conflict zone in eastern Ukraine. Another eight were wounded, the press center of the Anti-Terrorist Operation said on July 21.