Ukraine and Russia: What you need to know right now

Ukraine has denied any military target was hit, saying the attack killed at least 23 people and struck a cultural centre used by retired veterans. * Russian forces have been slowly advancing west following shelling and probing assaults towards the town of Siversk in Ukraine's Donetsk region from Lysychansk, Britain's defence ministry said on Friday.

Western officials accused their Russian counterparts of war crimes on Friday after Russian missiles struck a Ukrainian city far behind the frontlines in an attack Kyiv officials said killed at least 23 people. ECONOMY/DIPLOMACY

* The European Commission is set to adopt its seventh package of sanctions against Russia, which will add a ban to the import of Russian gold and tweak existing restrictive measures to avoid hampering food exports, two officials said on Friday. * Indonesian Finance Minister Sri Mulyani Indrawati on Friday called for a joint forum involving G20 finance and agriculture ministries to come up with concrete action to tackle growing food insecurity and a looming fertilizer supply crisis.

* U.S. Treasury Secretary Janet Yellen condemned Russia's "brutal and unjust war" in Ukraine and said Russian finance officials taking part in a G20 meeting in Indonesia shared responsibility for the "horrific consequences" of the war. * Canadian Finance Minister Chrystia Freeland on Friday told Russian officials at a meeting of G20 finance officials that she held them personally responsible for "war crimes" committed during Russia's war in Ukraine, a Western official told Reuters.

* The European Union has "shot itself in the lungs" with ill-considered economic sanctions on Russia, which, unless rolled back, risk destroying the European economy, Hungarian Prime Minister Viktor Orban said on Friday. * A British aid worker detained by Russian-backed separatists in Ukraine and accused of being a mercenary has died, an official in the self-proclaimed Donetsk People's Republic (DPR) said on Friday.

FIGHTING * Russia's defence ministry said Thursday's cruise missile strike on the Ukrainian city of Vinnytsia was directed at a building where top officials from Ukraine's armed forces were meeting foreign arms suppliers. Ukraine has denied any military target was hit, saying the attack killed at least 23 people and struck a cultural centre used by retired veterans.

* Russian forces have been slowly advancing west the following shelling and probing assaults towards the town of Siversk in Ukraine's Donetsk region from Lysychansk, Britain's defence ministry said on Friday. "Bakhmut is likely to be the next objective, once Siversk is secured," the ministry tweeted in a regular bulletin. * Ukraine is using Western-supplied long-range weapons and 155mm "smart" shells to hit Russian ammo dumps and supply lines, forcing Moscow to rethink how it supplies fuel and ammunition to the front line, a Ukrainian general said.

* Reuters could not independently verify the battlefield accounts.