U.S. President Donald Trump defended Russian President Vladimir Putin, saying he “kept his word” on a U.S.-brokered pause in attacks, even as Ukrainian President Volodymyr Zelensky accused Moscow of violating the truce. The conflicting claims have reignited questions over the credibility of ceasefire assurances, the effectiveness of U.S. mediation, and whether diplomacy can hold amid continued strikes and deep mistrust between Kyiv and Moscow.