With Russian forces threatening to take "full control" of several major cities, the fourth round of talks failed to deliver a breakthrough, with negotiations to resume today.
Here are the top 10 updates on this big story
A series of powerful explosions rocked Kyiv today even as talks between Ukraine and Russia were set to resume. At least three large blasts were heard in the centre of the capital early Tuesday. At least two people were killed in the blasts, emergency services said.
The Polish, Czech and Slovenian prime ministers will travel to Kyiv today to meet with Ukrainian President Volodymyr Zelensky, the Polish government said in a statement.
The European Union today formally approved a new barrage of sanctions against Russia for its invasion of Ukraine, which include bans on investments in the Russian energy sector, luxury goods exports and imports of steel products from Russia.
Ukraine's capital Kyiv will impose a 36-hour curfew from Tuesday night amid a "difficult and dangerous moment" after several Russian strikes, Mayor Vitali Klitschko said.
An adviser to Ukrainian President Volodymr Zelensky said that the war in Ukraine was at a crossroads that could lead to an agreement at talks with Russia or a new Russian offensive.
China today denied claims by US officials that Russia had sought military assistance in Ukraine and accused Washington of spreading "malicious disinformation" that risked escalating the conflict. "The US has repeatedly spread malicious disinformation against China on the Ukraine issue," the Chinese embassy in London told Reuters in a statement.
British Prime Minister Boris Johnson has called for the West to end its "addiction" to Russian energy, which he says allows President Vladimir Putin to "blackmail" the world.
Russia said there was no risk of a food shortage on the domestic market and cautioned consumers against rushing out to stock up on staples after the West slapped sanctions on Russia for its invasion of Ukraine.
Power has been restored at Ukraine's Chernobyl nuclear power station, the site of the world's worst nuclear disaster in 1986, the International Atomic Energy Agency said. Separately, Ukraine's state nuclear operator Energoatom accused the Russian military of detonating ammunition at the Zaporizhzhia nuclear power station in the country's south.
The UN's top court said it will give a judgment on Wednesday on Ukraine's charge that Russia falsely justified its invasion by accusations of genocide. Kyiv filed the case at the International Court of Justice (ICJ) shortly after Russia invaded Ukraine on February 24, demanding that the tribunal order an end to the offensive.
