Ukrainian activist arrested in Crimea.

Russia launched a combined missile and drone attack on multiple Ukrainian cities overnight on March 24, local officials reported.

President Volodymyr Zelensky said on March 23 that Ukrainian intelligence believes Russian forces may be preparing a new, large-scale attack, and urged citizens to remain alert for air raid warnings.

The first investment will go to Sine Engineering, a Ukrainian dual-use military technology company, two people familiar with the deal told the Kyiv Independent.

Neither Russia nor Iran has publicly reacted to Zelensky's claim at the time of publication. Zelensky's statement comes as the Middle East tensions surge in the fourth week of the U.S.-Israeli war against Iran.

The U.S. is holding off attacks against Iranian energy facilities for five days following "productive" talks with Iran on ending hostilities in the Middle East, Trump said.

Zoltan Andre, a staff member of Hungary's military intelligence, ran the network tasked with collecting information on military infrastructure and the political climate in Ukraine's Zakarpattia Oblast, the SBU said.

In Leningrad Oblast, a fire broke out at the port of Primorsk after a fuel tank was damaged, Governor Alexander Drozdenko said on March 22.

Ukrainian-born OnlyFans owner Leonid Radvinsky has died aged 43 after a long battle with cancer, the company said on March 23.

Russian troops attempted to breach Ukrainian defenses across several sectors of the front line between March 17 and 20, Ukraine's Commander-in-Chief Oleksandr Syrskyi said.

Belarusian dictator Alexander Lukashenko earlier said that the U.S. had proposed a "big deal" to Belarus.

The suspect, a 21-year-old local resident recruited by Russian intelligence, was detained "within a few hours" after remotely detonating two improvised explosive devices (IEDs) in the Kyiv Oblast town, the SBU said.