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Key Points
- The US has brokered Black Sea Agreements between Ukraine and Russia.
- Both countries say they will rely on the US to enforce the deal.
- An agreement has been reached to end attacks on energy facilities.
“If the Russians violate this, then I have a direct question for President Trump. If they violate, here is the evidence — we ask for sanctions, we ask for weapons, etc,” Ukrainian President Volodymyr Zelenskyy told reporters at a news conference in Kyiv.
Russia said this would require lifting some sanctions.

Ukrainian President Volodymyr Zelenskyy says he will ask the US to supply weapons if Russia breaks a deal. Source: SIPA USA, AP / Gavriil Grigorov / Alex Brandon
The talks followed separate phone calls last week between Trump and the two presidents, Zelenskyy and Vladimir Putin.
But maritime battles have been only a comparatively small part of the war since 2023, when Russia withdrew its naval forces from the eastern Black Sea after a number of successful Ukrainian attacks.
Ukraine has rejected that as tantamount to surrender.