<p> Russia said it would scale down military activity around Kyiv following "meaningful" talks in Istanbul as Ukraine's negotiators called for international guarantees for the country's security.</p>.<p>Ukrainian negotiator David Arakhamia also said there were now "sufficient" conditions for a direct meeting between Ukrainian President Volodymyr Zelenskyy and Russian President Vladimir Putin.</p>.<p>Arakhamia called for "an international mechanism of security guarantees where guarantor countries will act in a similar way to NATO's article number five -- and even more firmly".</p>.<p>After the face-to-face meeting in Turkey, Russian Deputy Defence Minister Alexander Fomin said talks on "the neutrality and non-nuclear status of Ukraine have moved into a practical field".</p>.<p>Therefore "a decision has been made to radically, by several times reduce the military activity" in the cities of Kyiv and Chernigiv, he said.</p>.<p>Russia's chief negotiator Vladimir Medinsky said there had been "meaningful discussion" at the talks.</p>.<p>It is now more than a month since Putin ordered tanks into Ukraine, hoping to cripple or oust the democratic government in Kyiv.</p>.<p>The fighting has already forced more than 10 million from their homes and according to Zelenskyy has killed an estimated 20,000 people.</p>.<p>But Tuesday's announcements offered some hope.</p>.<p>US President Joe Biden said he would discuss the "latest developments" with the leaders of Britain, France, Germany and Italy at 1315 GMT.</p>.<p>European stock markets lifted and oil prices fell by five percent as supply fears eased while the ruble surged 10 percent against the dollar.</p>.<p>But fighting still raged in many parts of the country.</p>.<p>Adding to the toll, Ukraine said seven people were killed by a Russian strike on a regional government building in the southern port city of Mykolaiv.</p>.<p>Ukraine says it has recaptured territory in recent days, including the suburban town of Irpin outside Kyiv -- an important gateway to the capital.</p>.<p>It has also resumed evacuations from areas in the south of the country occupied by Russian forces.</p>.<p>Turkish President Recep Tayyip Erdogan had opened the talks at the sprawling Dolmabahce palace, recognising "legitimate concerns" on both sides but urging them to "put an end to this tragedy".</p>.<p>Russian oligarch and Chelsea Football Club owner Roman Abramovich, who has been hit by Western sanctions, was also in attendance.</p>.<p>The Kremlin said he was acting as an intermediary and denied reports that he had been poisoned during a previous round of negotiations in Ukraine.</p>.<p>"This is part of information sabotage, part of an information war," Kremlin spokesman Dmitry Peskov told journalists.</p>.<p>Putin has demanded the "demilitarisation and denazification of Ukraine", as well as the imposition of neutral status and recognition of the Donbas and Crimea as no longer part of Ukraine.</p>.<p>The West has imposed crushing economic sanctions in response to the invasion and several Western companies have pulled out of Russia.</p>.<p>Russia hit back on Tuesday, insisting that it would only be accepting payment for gas deliveries to the EU in rubles even though G7 ministers called this arrangement "unacceptable".</p>.<p>"Nobody will supply gas for free. This is just impossible. And it can only be paid in rubles," Peskov told reporters.</p>.<p>Russia also said it was expelling 10 diplomats from Estonia, Latvia and Lithuania in a tit-for-tat move after the Baltic countries expelled Russian diplomats over the conflict.</p>.<p>While Ukraine's forces are counterattacking in the north, they are struggling to retain control of the southern port city of Mariupol.</p>.<p>Russian forces have encircled the city and have embarked on a steady and indiscriminate bombardment, trapping an estimated 160,000 people with little food, water or medicine.</p>.<p>At least 5,000 people have already died, according to one senior Ukrainian official who estimated the real toll may be closer to 10,000 when all the bodies are collected.</p>.<p>Zelenskyy said the Russian siege constituted a "crime against humanity, which is happening in front of the eyes of the whole planet in real time".</p>.<p>Ukraine's foreign ministry called the situation "catastrophic," saying Russia's assault from land, sea and air had turned a city once home to 450,000 people "into dust".</p>.<p>France, Greece and Turkey are hoping to launch a mass evacuation of civilians from Mariupol within days, according to French President Emmanuel Macron, who is seeking agreement from Putin.</p>.<p>Western powers say they have seen evidence of war crimes, which are already being investigated by the International Criminal Court.</p>.<p>On Monday, Ukraine's prosecutor general, Iryna Venediktova, said there was proof that Russian forces have used banned cluster bombs in the southern Odessa and Kherson areas.</p>.<p>Biden has expressed his "moral outrage" at the conduct of the war, and ruffled feathers over the weekend by suggesting Putin "cannot remain in power".</p>.<p>He has since denied seeking regime change and swatted away concern that his remarks would ratchet up tensions with Putin.</p>.<p>"I don't care what he thinks," Biden said on Monday.</p>.<p>The conflict has also raised fears over nuclear safety after Russia seized several facilities, including Chernobyl, the site of the world's worst nuclear disaster.</p>.<p>The chief of the UN atomic watchdog, Rafael Grossi, was visiting Ukraine on Tuesday to discuss the "safety and security" of nuclear sites there.</p>.<p><strong>Watch the latest DH Videos here:</strong></p>
<p> Russia said it would scale down military activity around Kyiv following "meaningful" talks in Istanbul as Ukraine's negotiators called for international guarantees for the country's security.</p>.<p>Ukrainian negotiator David Arakhamia also said there were now "sufficient" conditions for a direct meeting between Ukrainian President Volodymyr Zelenskyy and Russian President Vladimir Putin.</p>.<p>Arakhamia called for "an international mechanism of security guarantees where guarantor countries will act in a similar way to NATO's article number five -- and even more firmly".</p>.<p>After the face-to-face meeting in Turkey, Russian Deputy Defence Minister Alexander Fomin said talks on "the neutrality and non-nuclear status of Ukraine have moved into a practical field".</p>.<p>Therefore "a decision has been made to radically, by several times reduce the military activity" in the cities of Kyiv and Chernigiv, he said.</p>.<p>Russia's chief negotiator Vladimir Medinsky said there had been "meaningful discussion" at the talks.</p>.<p>It is now more than a month since Putin ordered tanks into Ukraine, hoping to cripple or oust the democratic government in Kyiv.</p>.<p>The fighting has already forced more than 10 million from their homes and according to Zelenskyy has killed an estimated 20,000 people.</p>.<p>But Tuesday's announcements offered some hope.</p>.<p>US President Joe Biden said he would discuss the "latest developments" with the leaders of Britain, France, Germany and Italy at 1315 GMT.</p>.<p>European stock markets lifted and oil prices fell by five percent as supply fears eased while the ruble surged 10 percent against the dollar.</p>.<p>But fighting still raged in many parts of the country.</p>.<p>Adding to the toll, Ukraine said seven people were killed by a Russian strike on a regional government building in the southern port city of Mykolaiv.</p>.<p>Ukraine says it has recaptured territory in recent days, including the suburban town of Irpin outside Kyiv -- an important gateway to the capital.</p>.<p>It has also resumed evacuations from areas in the south of the country occupied by Russian forces.</p>.<p>Turkish President Recep Tayyip Erdogan had opened the talks at the sprawling Dolmabahce palace, recognising "legitimate concerns" on both sides but urging them to "put an end to this tragedy".</p>.<p>Russian oligarch and Chelsea Football Club owner Roman Abramovich, who has been hit by Western sanctions, was also in attendance.</p>.<p>The Kremlin said he was acting as an intermediary and denied reports that he had been poisoned during a previous round of negotiations in Ukraine.</p>.<p>"This is part of information sabotage, part of an information war," Kremlin spokesman Dmitry Peskov told journalists.</p>.<p>Putin has demanded the "demilitarisation and denazification of Ukraine", as well as the imposition of neutral status and recognition of the Donbas and Crimea as no longer part of Ukraine.</p>.<p>The West has imposed crushing economic sanctions in response to the invasion and several Western companies have pulled out of Russia.</p>.<p>Russia hit back on Tuesday, insisting that it would only be accepting payment for gas deliveries to the EU in rubles even though G7 ministers called this arrangement "unacceptable".</p>.<p>"Nobody will supply gas for free. This is just impossible. And it can only be paid in rubles," Peskov told reporters.</p>.<p>Russia also said it was expelling 10 diplomats from Estonia, Latvia and Lithuania in a tit-for-tat move after the Baltic countries expelled Russian diplomats over the conflict.</p>.<p>While Ukraine's forces are counterattacking in the north, they are struggling to retain control of the southern port city of Mariupol.</p>.<p>Russian forces have encircled the city and have embarked on a steady and indiscriminate bombardment, trapping an estimated 160,000 people with little food, water or medicine.</p>.<p>At least 5,000 people have already died, according to one senior Ukrainian official who estimated the real toll may be closer to 10,000 when all the bodies are collected.</p>.<p>Zelenskyy said the Russian siege constituted a "crime against humanity, which is happening in front of the eyes of the whole planet in real time".</p>.<p>Ukraine's foreign ministry called the situation "catastrophic," saying Russia's assault from land, sea and air had turned a city once home to 450,000 people "into dust".</p>.<p>France, Greece and Turkey are hoping to launch a mass evacuation of civilians from Mariupol within days, according to French President Emmanuel Macron, who is seeking agreement from Putin.</p>.<p>Western powers say they have seen evidence of war crimes, which are already being investigated by the International Criminal Court.</p>.<p>On Monday, Ukraine's prosecutor general, Iryna Venediktova, said there was proof that Russian forces have used banned cluster bombs in the southern Odessa and Kherson areas.</p>.<p>Biden has expressed his "moral outrage" at the conduct of the war, and ruffled feathers over the weekend by suggesting Putin "cannot remain in power".</p>.<p>He has since denied seeking regime change and swatted away concern that his remarks would ratchet up tensions with Putin.</p>.<p>"I don't care what he thinks," Biden said on Monday.</p>.<p>The conflict has also raised fears over nuclear safety after Russia seized several facilities, including Chernobyl, the site of the world's worst nuclear disaster.</p>.<p>The chief of the UN atomic watchdog, Rafael Grossi, was visiting Ukraine on Tuesday to discuss the "safety and security" of nuclear sites there.</p>.<p><strong>Watch the latest DH Videos here:</strong></p>