North Korean soldiers have been filmed receiving uniforms and equipment at a training ground in Russia’s far east in what appears to confirm reports from South Korean intelligence services that 1,500 soldiers had been shipped over for military training.

Ukrainian President Volodymyr Zelenskyy says his country has intelligence information that 10,000 troops from North Korea are being prepared to join Russian forces fighting against his country, warning that a third nation wading into the hostilities would turn the conflict into a “world war.