GCHQ estimates that half a million Russian troops have been killed - and increasingly this due to drone warfare on the frontline

Russia’s president has made a rare acknowledgement his country is suffering from fuel shortages because of Ukrainian drone strikes. Experts tell Alex Croft and Maira Butt that Putin can no longer hide his air defence failures from the public

Putin evaluating scenarios of invading Kyiv from Belarus and Bryansk as he eyes Ukrainian capital once again