Families in Ukrainian cities are taking refuge from massive swarms of Russian drones, as Moscow steps up its airborne assault with attacks designed to undermine Ukrainian morale.

Russian forces carried out an overnight strike on the Kremenchuk oil refinery that supplies fuel to Ukrainian forces in the Donbas region, Russia's defence ministry said on Sunday.

Ukrainian President Volodymyr Zelenskyy says rising global oil prices following Israeli strikes on Iran will strengthen Russia by increasing its oil revenues, aiding its war effort in Ukraine.

Marco Rubio said the U.S. is "committed to supporting the Russian people as they continue to build on their aspirations for a brighter future."

Russia says it has moved into the previously unscathed Dnipropetrovsk region to create a buffer zone, a claim Ukraine has dismissed.

The parade in Washington, D.C., celebrating the 250th anniversary of the U.S. Army ended with a fireworks show. Meanwhile, protesters clashed with police in Los Angeles. Follow along for live updates,

The same day in May, Slon sent Pavan details of his flight from Moscow to Istanbul. According to the messages, Slon drove with Pavan to the bus terminal in Donetsk, where Pavan boarded a bus to Moscow. Pavan later told Polish police he was given $2,000 in cash before leaving Donetsk.

Russia's state nuclear corporation Rosatom has been tapped to lead an international consortium to build the first nuclear power plant in Kazakhstan, the Central Asian country's atomic energy agency said on Saturday.

Ukrainian President Volodymyr Zelensky says rising global oil prices following Israeli strikes on Iran will strengthen Russia by increasing its oil revenues.

Tehran's air defences lie in ruins after Operation Rising Lion - and Moscow's inaction signals a strategic rift