An F-16 fighter jet given to Ukraine reportedly shot down an advanced Russian plane thanks to the assistance of a Swedish reconnaissance aircraft. German newspaper Bild said the Russian Sukhoi Su-35 jet had been downed in the northeast of the country in an operation it described as a "historic first.

A prisoner exchange is under way between Russia and Ukraine, governments in Moscow and Kyiv have confirmed. Ukraine's President Volodymyr Zelensky said the exchange would unfold "in several stages" over the coming days, adding that the wounded, seriously wounded and soldiers under 25 were being returned.

Warner Bros Discovery said on Monday it would split into two companies, separating its studios and streaming business from its fading cable television networks as the parent of HBO and CNN looks to compete better in the streaming era.