Prime Minister Fumio Kishida and Western leaders agreed Tuesday to unleash a “powerful” economic response to Russia’s invasion of Ukraine, with Moscow facing increased isolation but continuing to bombard its neighbor, killing dozens and sparking a refugee crisis.

Japan formally joined the U.S. and other partners in slapping more sanctions on Russia’s embattled leaders and three financial institutions, dealing a potentially crushing blow to the country's economy.

"We've agreed on the need to take powerful sanctions against Russia," Kishida said after an online meeting with the leaders, including U.S. President Joe Biden.