It's been described as a frozen conflict but Ukraine's civil war has suddenly heated up. So why now? Some point to the flare-up following the first phone call between Donald Trump and Vladimir Putin. Is Moscow testing the West's resolve, or - as pro-Kremlin media suggest - did Kiev trigger the fighting to rally support in Washington?

Caption
An illustration photo shows the DeepSeek logo displayed on a smartphone in Shanghai, China, on March 27, 2025. (CFOTO/Future Publishing via Getty Images)