On 13 April, for example, Russia fired ballistic missiles into the city of Sumy in northeastern Ukraine, killing at least 35 civilians gathered to celebrate Palm Sunday and injuring over 100 more.
Military attacks have continued despite numerous meetings between senior Russian and US officials, and phone conversations where Trump and his Russian counterpart, Vladimir Putin, have spoken directly.
So, why are Trump’s efforts to end the war struggling to get off the starting blocks? The most important reason is that Russia is blocking progress. Moscow has created obstacles, deployed delaying tactics and has generally muddied the waters.