Experienced mercenaries from private Russian companies are in Ukraine and helping to support the invasion, the UK's Ministry of Defence has said.

Roman Abramovich has been sanctioned by the UK government as part of attempts to crackdown on wealthy Russians with assets in the country.

Three people are dead, including a child, after Russia's attack on a maternity hospital in Mariupol, the city council says.

Armed Forces minister James Heappey has warned serving British soldiers and veterans who think they can "do a couple of weeks" in Ukraine and "take some selfies" not to travel to fight against Russian aggression.

Ukraine's president has told Sky News that his country cannot stop the war against Russia on its own and said nations must act now before it is "too late".

Russia has confirmed it has used thermobaric weapons in Ukraine, according to the UK's Ministry of Defence.

Children have been buried under rubble after a Russian airstrike hit a hospital in Mariupol, Ukraine's President Volodymyr Zelenskyy has said.

Russia could be laying the groundwork for the use of chemical or biological weapons in Ukraine, the White House has warned.

Russia has denied it has bombed a children's hospital in Mariupol and said such claims were "fake news".

Mila looks tired but relieved.