"The official Twitter account of the Donetsk rebels said in the early hours of Sunday that its forces were “taking Mariupol”, but later accused Ukraine of breaking the ceasefire. Fighters from the Azov battalion, who are defending the town, said their positions had come under Grad rocket fire.

Earlier on Saturday the truce had appeared to be holding, with only minor violations reported, as hopes mounted that the deal struck in Minsk on Friday could bring an end to the violence that has left more than 2,000 dead in recent months.

Both sides accused the other of violating the ceasefire, but there did not appear to be any serious exchanges of fire and no casualties were reported."

https://www.theguardian.com/world/2014/sep/06/eastern-ukraine-ceasefire-russia

" The war began in April 2014 when armed Russian-backed separatists seized government buildings and the Ukrainian military launched an operation against them. It continued until it was subsumed by the Russian invasion of Ukraine in February 2022."

https://en.m.wikipedia.org/wiki/War_in_Donbas_(2014–2022)

At least be correct about what you’re citing. Russian backed separatists claim to be “taking Mariupol” and then backtrack with "oh no! We didn’t break the ceasefire! I promise! ".