Analysis: Lindsey Hilsum on migrants leaving Libyan shores

International Editor Lindsey Hilsum is in the Libyan city of Misrata and explains what the situation like on the ground there, and why the exodus is so large. .Sign up for Snowmail, your daily preview of what is on Channel 4 News, sent straight to your inbox, here: http://mailing.channel4.com/public/snowmail/remotebox.jsp

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