The US has sensitive nuclear technology at a nuclear power plant inside Ukraine and is warning Russia not to touch it, according to a letter the US Department of Energy sent to Russia's state-owned nuclear energy firm Rosatom last month.

Two Russian men who claim to be former Wagner Group commanders have told a human rights activist that they killed children and civilians during their time in Ukraine.

A Guardian investigation reveals how the prediction market can shape news – and how it rules on ‘the truth’“Horekunden” was rapidly losing patience.His frustration was with the Institute for the Study of War, a US thinktank which produces a daily map of the frontline in Ukraine.

David Knowles, journalist behind Telegraph’s Ukraine war podcast, dies aged 32

Ukraine: The Latest podcast launched in Ukrainian and Russian using pioneering AI tool

Every weekday our top journalists analyse the invasion from all angles and tell you what you need to know to stay updated

Ukrainian President Volodymyr Zelensky says his nation's forces would respond "symmetrically" to Russian attacks.