Serious gaps between the sides remain however, as Ukrainian leader repeats plea for no-fly zone ahead of planned speech to Congress; capital put under 35-hour curfew

Some 4,000 cars carrying 20,000 people leave besieged city via humanitarian corridor Tuesday; evacuees report disastrous conditions, with no water and bodies in the streets

Alliance's chief says Moscow would have 'a high price to pay' if it uses chemical weapons, refuses to 'speculate about any any military response from the NATO side'

'It is here that freedom fights against the world of tyranny,' Polish premier says in Kyiv; Russian forces said to take 400 hostages at Mariupol’s main hospital as 20,000 flee city

Ambassador Viktorov expected to protest Ukrainian president's speech, which will be streamed live; Israeli officials reportedly concerned Putin may seek to address Knesset as well

Senior Israeli official reportedly says Bennett’s mediation efforts helped lead to 'narrowing of positions' between sides, as Turkish FM heads to Moscow, Kyiv amid diplomacy push

Gilelevits Serafim decided to pick up arms and defend his city; 'He died a hero,' Hillel says; Chabad center destroyed by Russian shelling as city remains united in its resistance

Move comes amid mounting pressure for Moscow to be expelled from the pan-European rights body over its invasion of Ukraine

Ovsyannikova, who made headlines after telling Russians they were being lied to on national TV, is freed with a $280 fine; 'still convinced that Russia is committing a crime'

White House says US president will 'reaffirm our iron-clad commitment' to allies during visit to Brussels, doesn't rule out additional stops, including Poland