Police say the driver is under arrest after plowing into the crowd at a Christmas market in Magdeburg, Germany, killing at least five people - including a 9-year-old - and injuring 200 others.

Ukrainian President Volodymyr Zelenskiy said on Monday that more than 3,000 North Korean soldiers have been killed and wounded in Russia's Kursk region and warned that Pyongyang could send more personnel and equipment for Moscow's army.

The Berlin Borough police chief said they would have acted on the warning from Germany if they'd been aware of it.