Ukraine and Russia: What you need to know right now

* Guterres urged Russia and Ukraine to show a "spirit of compromise" to ensure the continued success of a U.N.-brokered deal that enabled Kyiv to resume grain exports from its Black Sea ports. * Turkey's President Tayyip Erdogan also joined the talks in Lviv with Zelenskiy and Guterres and said they had discussed possible ways of ending the war.

U.N. Secretary-General Antonio Guterres said on Thursday he was gravely concerned by the situation at Europe's largest nuclear power station after it came under shelling at the front lines in Ukraine. FIGHTING

* Russia's foreign ministry rejected a proposal by Guterres to demilitarise the area around the Russian-controlled Zaporizhzhia nuclear power plant in Ukraine, saying it would make the facility "more vulnerable". * The inhabitants of two villages in southern Russia near the Ukrainian border were evacuated after a nearby ammunition storage depot caught fire but nobody was hurt, an official said.

* Three civilians were killed and 17 wounded in a pre-dawn rocket attack on the northeastern Ukrainian city of Kharkiv, the local emergency service said. Russia denies deliberately targeting civilians. * Reuters could not confirm battlefield reports independently.

DIPLOMACY * Ukrainian President Volodymyr Zelenskiy said after talks in the western city of Lviv with Guterres that he had agreed the parameters of a possible mission of the International Atomic Energy Agency to the Zaporizhzhia nulcear plant.

* Russia and Ukraine accused each other of planning a "provocation" at the Zaporizhzhia plant. * Guterres urged Russia and Ukraine to show a "spirit of compromise" to ensure the continued success of a U.N.-brokered deal that enabled Kyiv to resume grain exports from its Black Sea ports.

* Turkey's President Tayyip Erdogan also joined the talks in Lviv with Zelenskiy and Guterres and said they had discussed possible ways of ending the war. * Russia's foreign ministry said Moscow would only use its nuclear arsenal in "emergency circumstances" and that it has no interest in a direct confrontation with NATO and the United States.

* Russia's defence ministry said three MiG-31E warplanes equipped with Kinzhal hypersonic missiles had been relocated to its Kaliningrad region bordering NATO members Poland and Lithuania, Interfax reported. ECONOMY

* One more ship carrying grain has left Ukraine's Chornomorsk port, Turkey's defence ministry said, bringing the total number of vessels to leave Ukraine's Black Sea ports under the U.N.-brokered grain export deal to 25. QUOTES

"This deliberate terror on the part of the aggressor can have global catastrophic consequences for the whole world," Zelenskiy wrote on the Telegram messaging app, referring to the situation at the Zaporizhzhia nuclear plant. * "Personally, I maintain my belief that the war will ultimately end at the negotiating table. Mr Zelenskiy and Mr Guterres have the same opinion in this regard," Erdogan said after the three men held talks in Lviv.

(Compiled by Alison Williams and Gareth Jones)

(This story has not been edited by Devdiscourse staff and is auto-generated from a syndicated feed.)