KYIV 鈥 Here are the latest developments in Russia鈥檚 war in Ukraine:
US announces $800 million in assistance
US President Joe Biden will announce $800 million in new security assistance to Ukraine on Wednesday, a White House official says 鈥 the same day that Ukrainian President Volodymyr Zelensky is set to deliver a speech to the US Congress.
The announcement brings 鈥渢he total (aid) announced in the last week alone to $1 billion,鈥 the official, who spoke on condition of anonymity, says.
35-hour curfew in Kyiv
A 35-hour curfew begins in the Ukrainian capital.
Kyiv mayor Vitali Klitschko has warned of a 鈥渄ifficult and angerous moment鈥 for the city as Russian forces have stepped up strikes on residential buildings.
20,000 leave besieged city
Around 20,000 people manage to leave the besieged port city of Mariupol by driving along a humanitarian corridor agreed with Russian forces, a Ukrainian presidential aide says.
Refugees top 3 million
More than three million people have fled Ukraine since the start of the invasion, the UN migration agency IOM says.
Around half are minors, says the UN children鈥檚 agency.
The UN refugee agency, UNHCR, says 1.8 million people have fled to Poland.
97 children killed
Ninety-seven Ukrainian children have died since the invasion began, Ukrainian President Volodymyr Zelensky tells Canadian lawmakers.
He renews his calls for a no-fly zone over Ukraine to 鈥渟top the bombing鈥. NATO allies, including Canada, have rejected the proposal, fearing it would lead to an expansion of the conflict.
TV protester fined, released
Marina Ovsyannikova, the journalist who protested against the conflict during a prime-time news broadcast on Russian state television, is fined and released.
A Moscow court ordered her to pay a fine of 30,000 rubles ($280, 247 euros) after she barged onto the set of Russia鈥檚 most-watched evening news broadcast holding a poster reading 鈥淣o War鈥.
鈥楩undamental contradictions鈥 in talks
Ukrainian negotiations team member Mykhailo Podolyak says there are 鈥渇undamental contradictions鈥 in talks aimed at ending Russia鈥檚 military attack.
鈥淲e鈥檒l continue tomorrow. A very difficult and viscous negotiation process. There are fundamental contradictions. But there is certainly room for compromise,鈥 Podolyak tweets.
European PMs in Kyiv
The prime ministers of Poland, the Czech Republic and Slovenia, meet Ukrainian President Volodymyr Zelensky in Kyiv.
鈥淲e have to halt this tragedy unfolding in the East as quickly as possible,鈥 Polish Prime Minister Mateusz Morawiecki says on Facebook announcing their arrival.
Brent drops below $100 a barrel
Brent oil futures finishes under $100 a barrel for the first time since the second day of Russia鈥檚 invasion of Ukraine almost three weeks ago.
No Nato for Ukraine
Zelensky says his country should accept that it will not become a member of the US-led NATO military alliance, a key Russian concern it used to justify its invasion.
鈥淯kraine is not a member of NATO鈥 We have heard for years that the doors were open, but we also heard that we could not join. It鈥檚 a truth and it must be recognised,鈥 Zelensky tells military officials.
Russia to exit Council of Europe
Russia鈥檚 foreign ministry says it is launching a procedure to exit the Council of Europe, amid growing pressure for its expulsion from the pan-European rights group.
Russia 鈥榚nlists 40,000 Syrian fighters鈥
Russia has drawn up lists of 40,000 fighters from the Syrian army and allied militias to be put on standby for deployment in Ukraine, the Syrian Observatory for Human Rights war monitor says.
Five journalists killed
An Irish cameraman for Fox 黑料社 and a Ukrainian working as a producer for the US television network have been killed in fighting near Kyiv, Fox 黑料社 says.
Two other Ukrainian journalists, as well as a US documentary filmmaker, have also been killed, the Ukrainian parliament鈥檚 human rights chief Lyudmyla Denisova says.
鈥楳assive鈥 damage to airport
Russian bombardment causes 鈥渕assive鈥 damage to the airport of the eastern Ukrainian city of Dnipro, destroying the runway and damaging the terminal, regional authorities say.
China wary of sanctions
China鈥檚 foreign minister says Beijing 鈥渋s not a party to the crisis鈥 in Ukraine and does not want to be affected by Western sanctions following US reports that Moscow asked Beijing for military and economic aid.
German warning on software
Germany鈥檚 cyber security agency BSI urges consumers not to use the anti-virus software made by Russia鈥檚 Kaspersky, warning the firm could be implicated in cyber warfare.
The United States already banned government agencies from using the software in 2017. Kaspersky denies being in league with the Kremlin.
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