The Arab League called for an immediate cease-fire in northwestern Syria, the group’s secretary-general said Saturday.

“Military escalation in northwestern Syria has formed a model of blatant violation of humanitarian international law and caused an unprecedented humanitarian disaster by displacing more than 1 million Syrians,” Ahmed Aboul Gheit said in a statement.

Gheit said the intervention of regional and international forces in the conflict has worsened the situation.

Recent developments made have made it difficult to find a peaceful solution to the crisis, he said, and tensions also negatively affected security and stability in the region.

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