“Our units in the Donetsk and Mariupol directions do not respond to provocations and have not conducted any offensive actions,” Eduard Basurin told reporters.
On Wednesday, Ukrainian military spokesman Andriy Lysenko claimed the Mariupol Shipyard, along with local coal and iron and steel plants, have been shut down due to shelling.
Basurin, in turn, noted "disturbing" shelling in villages across the region over the past 24 hours.
Along with the ceasefire, a deal was struck in the Belarusian capital Minsk last week, including the 14-day pullout of heavy weaponry into a wider security zone and an all-for-all prisoner exchange.
Basurin reiterated DPR's adherence to the latest Minsk agreement and invited OSCE observers to monitor the continued withdrawal of heavy weaponry.
The armed conflict has killed around 5,600 civilians since the Ukrainian government launched a large-scale military operation in the southeast last April.