A top Cabinet Minister has raised fears Russia is committing genocide in Ukraine and warned the world must act to stop "mass murder on an unprecedented scale".
Health Secretary Sajid Javid expressed horror at the atrocities uncovered as Russian forces withdrew from towns around Kyiv and compared the scenes to the Srebrenica massacre in Bosnia in 1995.
Ukrainian troops have been showing journalists grim scenes of bodies of civilians, destroyed houses and burnt-out cars in the streets in Bucha.
