Japan will take time to phase out Russian oil imports after agreeing on a ban with other Group of Seven (G7) nations to counter Moscow's invasion of Ukraine, Prime Minister Fumio Kishida said on Monday.

The G7 nations committed to the move "in a timely and orderly fashion" at an online meeting on Sunday to put further pressure on President Vladimir Putin, although members such as resource-poor Japan depend heavily on Russian fuel.

"For a country heavily dependent on energy imports...