Major Idlib raid could spark worst catastrophe of 21st century: UN

Geneva: The UN's new humanitarian chief warned Monday that a large-scale military operation against the rebel-held Syrian province of Idlib could create "the worst humanitarian catastrophe" of this century.
"There needs to be ways of dealing with this problem that don't turn the next few months in Idlib into the worst humanitarian catastrophe with the biggest loss of life in the 21st century," Mark Lowcock told reporters in Geneva. 
His remarks came as Syrian troops, backed by Russia and Iran, massed around the northwestern province ahead of an expected onslaught against the largest rebel-held zone left in the country.
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