Donald Trump has swung like a pendulum between favouring Russia and less often sympathising with Ukraine. This week he has tilted more toward Kyiv.

Leaders in the coalition of the willing meeting in London on Friday were keen to add momentum to that shift.

The US president has imposed sanctions on two leading Russian oil firms , doing what many had hoped America would do months ago.

Please use Chrome browser for a more accessible video player 2:02

What happened at 'coalition of the willing' meeting?

European allies were quick to follow that lead. And some countries that have been trading Russian oil appear spooked enough to start backing away from doing so.

But analysts are warning against overstating the impact of all this.

Alexander Kolyandr, senior fellow at the Centr

See Full Page