Kyiv has targeted Russia's oil facilities in the hope of slashing Moscow's access to the resources powering its invasion effort.

Donald Trump has threatened tougher sanctions against Russia after its heaviest aerial bombardment on Ukraine since the war began. Sunday's strikes killed four people, including a mother and her baby, and damaged Ukraine's main government building in Kyiv for the first time.

An early morning Russian attack on Friday killed three people in northern Ukraine’s Sumy region, a regional official reported. Ukrainian President Volodymyr Zelenskyy said Moscow’s attempts to advance in the Sumy area had failed with heavy losses, and Russian operations in the region were being “completely foiled by our forces”.

Volodymyr Zelenskyy and Poland have called for better air defences in Europe. Watch below as the Ukrainian president shows Sky News's Yalda Hakim airstrike damage in Kyiv before the pair's sit-down interview - which you can catch up on below.

When a swarm of 39 Russian drones attacked a compressor station in southern Ukraine this month, it was a sign of how Russia has shifted the focus of its attacks on Ukraine’s energy infrastructure. The attack came less than two weeks after Ukraine signed ...

In light of a potential gas shortage, Putin suggested switching to coal reserves, which "will last for almost a thousand years," Putin said, as quoted by The Moscow Times.