Has Trump turned on Putin?

With US senators saying they have presidential backing to accelerate a new sanctions package, is the Trump administration changing its approach to Russia? Could infighting among Ukrainian officials prove damaging to their country's war effort? And, has Turkey succeeded in striking a delicate diplomatic balance during this conflict?

The Ukrainecast team answer all that and discuss Ukraine's domestic arms production. Lucy Hockings and Vitaly Shevchenko are joined by the BBC's Ukraine correspondent James Waterhouse.