Russia and Ukraine accuse each other of violating a fragile ceasefire that has backing from the United States, according to multiple reports. The ceasefire is described as temporary and under increasing strain, with both sides continuing efforts to move toward a more lasting end to the war. While the articles highlight the mutual accusations, they do not provide a unified account of specific incidents in the text provided. The reports frame the situation as part of a broader negotiation process in which each country seeks to strengthen its position and push for a durable settlement. The ceasefire’s fragility underscores ongoing distrust and the challenge of ensuring compliance as diplomatic efforts continue. Overall, the coverage indicates that the ceasefire remains in place but faces repeated tests, as Russia and Ukraine issue competing claims about alleged breaches and interpret each other’s actions as interference with efforts to reach a permanent agreement.