Ukraine's commander in chief said December was the first month that its drones "neutralized" roughly as many Russians as were called up.

Lviv. Russia fired a powerful hypersonic missile overnight at a target in Ukraine near the border with NATO-member Poland on Jan. 9. The Oreshnik is an intermediate-range ballistic missile (IRBM) designed to project power across Europe.

Russia said that any troops sent to Ukraine by Western governments would be "legitimate combat targets", after Britain and France announced plans to deploy a multinational force there in the event of a ceasefire.

Drones have turned the front line into a kill zone, and made casualty evacuation extremely difficult and dangerous.

U.S. seizure of Russian tanker marks rare escalation in sanctions enforcement against "dark fleet," but experts say move unlikely to trigger confrontation.

People will be more willing to return if Ukraine is able to regain most of the territory seized by Russia since 2014, Hladun suggests. But anything short of that could leave Ukrainians feeling vulnerable as it would be considered a temporary ceasefire rather than a complete end of hostilities.

NATO allies in the Coalition of the Willing are planning security guarantees for Ukraine once Russia's war is over.

Moscow says any Nato peacekeepers would be considered legitimate targets; US embassy and Kyiv flag ‘potentially significant air attack’. What we know on day 1,416