Fighting in Ukraine was one of the international crises to force its way into the discussions at the NATO summit in Newport.
There were more demands from NATO for Russia to pull back its troops, and plans for tougher sanctions, but no use of force.
Russia is still talking about a ceasefire. But in Ukraine itself pro-Russian forces are closing in on the key port city of Mariupol.
From there, ITV News Europe editor James Mates reports:
Were the Russians -as Barack Obama claims - weighed down by sanctions, or where the Ukrainians looking to cut their losses?
The new president of the European Council could be "very important" for David Cameron.