As Ukraine hits Russia's refineries, Russia targets Ukraine's petrol pumps

Fuel companies are urging customers not to linger at the pumps after a wave of deadly attacks.

The significance of this report depends on the decisions, official reactions or confirmation that follow. The current assessment is initially based on reporting by BBC News.

Readers should distinguish established facts from initial claims. Practical consequences will become clearer through responses from authorities, markets or independent sources.

Watch for official statements, independent confirmation of the key details and updates to the original report.