Key contentious terms in Trump's plan

First there was a 28-point plan pushed by Trump last Wednesday, as a solution to end almost four years of a war that has devastated Ukraine and killed hundreds of thousands of soldiers and civilians. By the weekend, there had been a redraft. A slimmed down 19-point proposal. This time seemingly less skewed towards Russia. By Tuesday, at a summit in Abu Dhabi, US, Russian and Ukrainian officials were hammering out a third version. The Guardian’s Russian affairs reporter, Pjotr Sauer, told Nosheen Iqbal what it has been like to watch these twists and turns