Zelensky arrives in Estonia for Nordic-Baltic summit, says June and July 'may determine a lot' for Ukraine as Kyiv pushes allies ahead of key meetings.

US and Iran reach provisional agreement on nuclear program, leaving 60-day window for negotiations, Bloomberg reports.

The provisional agreement announced by the two sides on Sunday night leaves a narrow window of 60 days to negotiate issues around Iran's nuclear program.

Putin and Zelensky each hold separate calls with Trump as US president marks 80th birthday, in a rare dual diplomatic outreach.

Putin and Zelensky hold calls with Trump as US president marks 80th birthday.

US denies unfreezing $12 billion in Iranian assets, Axios reporter Barak Ravid says citing sources.

The US has denied information about the unfreezing of $12 billion in Iranian assets. This was reported by Axios journalist Barak Ravid, citing his own sources.

Senior US official denies Iran claim of $12B in frozen funds before talks, calls it 'a spin' — says deal is pay-for-performance, no unconditional release.

A senior U.S. official denied Iran's claim that it will get $12 billion from its frozen funds unconditionally before the 60-day negotiations start and called it 'a spin.' The official said the deal is pay-for-performance and no frozen funds will be released unconditionally.