Russia's invasion of Ukraine has now begun as Vladimir Putin ordered troops into two breakaway regions, the UK has declared.
UK Health Secretary Sajid Javid said everyone was "waking up to a very dark day in Europe" after President Putin formally recognised the Donetsk and Luhansk regions of Ukraine, where Moscow-backed separatists have revolted against Kyiv.
Boris Johnson chaired a dawn COBRA meeting on Tuesday as he prepared to slap a "barrage of sanctions" on Russia.