100 days of war in Ukraine
On 24 February Russia began its assault on Ukraine. The explosions that day marked the end of an era in Europe and changed the lives of millions. Michael Safi talks to Vlodomor Ksienich and Kyrylo Demchenko, two of thousands of young Ukrainians who answered a call to protect their country, as well as hearing from Guardian correspondents Emma Graham-Harrison and Shaun Walker, who have been reporting on the ground