The German chancellor says the revenues from frozen Russian assets should be used for weapons purchases for Ukraine.

Russia has refuted a US claim that its forces in Ukraine had breached an international prohibition on chemical weapons by employing banned substances such as a prohibited choking agent.

China has announced that it would respond appropriately after the United States imposed new sanctions designed to weaken Russia’s military and industrial strength, along with targeting Chinese firms aiding Kremlin in obtaining armaments.

Ukraine carries out airstrikes on oil facilities in western Russia using attack drones.

The German chancellor has hoped for cooperation between Berlin and Beijing towards a "just peace" in Ukraine.

UK’s former armed forces minister James Heappey has suggested that Britain should consider sending troops to Ukraine to give training and other support to Ukrainian forces in the war with Russia - though away from the frontline.

The Kremlin spokesman told reporters NATO was already involved in the conflict surrounding Ukraine.