The United States has offered Ukraine a 15-year security guarantee as part of a proposed peace plan with Russia, Ukrainian President Volodymyr Zelensky said, though he stressed that a longer commitment—up to 50 years—would be a stronger deterrent against future Russian aggression.

Axar.az, citing AP, reports that Zelensky said lasting peace is impossible without firm security guarantees.

The proposal follows talks between Zelensky and U.S. President Donald Trump at Mar-a-Lago, where Trump said Ukraine and Russia are closer than ever to a deal, while acknowledging negotiations could still collapse.

Key sticking points remain, including territorial withdrawals and the future of the Russian-occupied Zaporizhzhia nuclear power plant.

Trump also held a phone call with Russian President Vladimir Putin, described by both sides as positive, though Moscow claimed Ukraine attempted a drone attack on Putin’s residence—an allegation Kyiv strongly denied, calling it an effort to sabotage peace talks.

Russia has warned it may revise its negotiating stance.

Zelensky said the security guarantees would involve international monitoring and partner involvement, require approval by the U.S. Congress and other parliaments, and eventually be put to a referendum in Ukraine. Meanwhile, Russia claims battlefield advances, and public skepticism in Ukraine remains high over Putin’s sincerity.