We’re going to put sanctions,” the president said, even before a deadline he had given Russia this week to engage in cease-fire negotiations had passed.

Russia said on Thursday it had captured the town of Chasiv Yar in eastern Ukraine after nearly 16 months of fighting, opening the way for potential further advances. Russia's Defence Ministry said in a brief statement its forces had "liberated" the town.

Drone footage shows the aftermath of the waves after they hit Severo-Kurilsk, a Russian town in the country's Kamchatka Peninsula, north of Japan. Tsunami waves also reached Hawaii, where an evacuation order was lifted after a tsunami warning was downgraded to an advisory, and in Alaska, Washington, California, and the West Coast overnight.