'We saw friends being swept away': Inside Derna, Libya's devastated city

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This story first appeared on the website of NBC News’ partner Sky News.

DERNA, Libya — The center of the eastern city of Derna is like one big graveyard — a mass of flattened buildings, wrecked lives and upended vehicles amid torn trees.

Huge nine-story buildings have been ripped off their foundations and smothered by volumes of mud. 

From where I’m standing, at least three huge bridges in the city center are leveled.