Humanitarian crisis unfolding as Russian attacks on Ukraine intensify

A humanitarian crisis is unfolding in Ukraine, and across Europe, as Russian attacks intensify. Matt Galloway talks to freelance journalist Oz Katerji about what he’s seeing in Kyiv and Kharkiv; UNHCR senior spokesperson Chris Melzer, who is at the Medyka border crossing in Poland; and global affairs analyst and humanitarian Michael Bociurkiw, who is in Lviv.