Ukraine wants sanctions that are economically destructive enough for Russia to end its war after accusing some countries of still prioritizing money over punishment for civilian killings that the West condemns as war crimes.

The democratic world must reject Russian oil and completely block Russian banks from the international finance system, President Volodymyr Zelenskyy said in his daily video address early on Thursday.

Russia's six-weeklong invasion has forced over 4 million to flee abroad, killed or injured thousands, left a quarter of the population homeless, turned cities into rubble and prompted a slew of Western restrictions on Russian elites and the economy.