It's hard to imagine what it's like trying to survive in a city, like Mariupol, even for a day. People have been there for over a month now and are desperate to leave.

On March 27, Ukrainian Deputy Prime Minister and Minister for Reintegration of the Temporarily Occupied Territories of Ukraine Iryna Vereshchuk complained that while 10 of 11 "humanitarian corridors" agreed between the fighting sides had been functioning, stops at a checkpoint in Vasylivka were preventing Mariupol residents in private vehicles from escaping toward Zaporizhzhya.