Residents struggle to escape Mariupol

Only about 3,000 residents were able to escape Mariupol in the latest attempt to establish a humanitarian corridor out of the Ukrainian city that has been besieged by Russian forces for weeks. Watch The National live on YouTube Sunday-Friday at 9 p.m. ET Subscribe to The National: https://www.youtube.com/user/CBCTheNa... Connect with The National online: Facebook |   / thenational   Twitter |   / cbcthenational   Instagram |   / cbcthenational   More from CBC News | https://www.cbc.ca/news The National is CBC's flagship nightly news program, featuring the day's top stories with in-depth and original journalism, with hosts Adrienne Arsenault and Andrew Chang in Toronto, Ian Hanomansing in Vancouver and the CBC's chief political correspondent, Rosemary Barton in Ottawa.