barb

Russia and Ukraine traded barbs on the floor of the General Assembly before adoption of the non-binding resolution, "Building a peaceful and better world through sport and the Olympic ideal," which passed by unanimous consent.

If I look closely, I can see tiny red thorns pointing out from the surface—like a wall of botanical barbed wire.

Xue's post has since been taken down - but the dust from the barbed exchanges hasn't settled yet.

Added differences over Russian gas supplies and Serbia's arms trade have ramped up the tensions, with Serbian President Aleksandar Vucic trading barbs with the Kremlin.

Since July, the pair have fiercely traded barbs in public statements and legal documents.