Iran warns oil will slump to $40 if Opec fails to cut production

A worker looks out to sea from a low walkway aboard an offshore oil platform in the Persian Gulf's Salman Oil Field, operated by the National Iranian Offshore Oil Co., near Lavan island, Iran. Photographer: Ali Mohammadi/Bloomberg
A worker looks out to sea from a low walkway aboard an offshore oil platform in the Persian Gulf's Salman Oil Field, operated by the National Iranian Offshore Oil Co., near Lavan island, Iran. Photographer: Ali Mohammadi/Bloomberg

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