Yahoo TV

STORY: In his nightly address the president said that his “partners need to move faster if they are really partners, not observers” saying that within 24 hours Russia had fired 72 weapons. He said leaders meeting at the G7 summit in Germany had the potential to stop Russian "aggression. "

Russia has stepped up air strikes on Ukraine this weekend, which has also seen the fall of a strategic eastern city to pro-Russian forces.

"It's more of their barbarism," said U.S. President Biden, referring to the missile strikes on Kyiv, as leaders from the Group of Seven (G7) rich democracies gathered for a summit in Germany.

As Europe's biggest land conflict since World War Two entered its fifth month, the Western alliance supporting Kyiv was starting to show signs of strain as leaders fret about the growing economic cost.