The Guardian - US defense secretary James Mattis said on Saturday the killing of Saudi journalist Jamal Khashoggi undermined Middle Eastern stability and Washington would take additional measures against those responsible. But he reiterated the Trump administration�s commitment to Saudi Arabia, a key ally against Iran.

At the same conference in Bahrain, Saudi foreign minister Adel al Jubeir said Riyadh�s relations with Washington were �ironclad� amid �hysteria in the media� over Khashoggi�s killing.

Khashoggi, who was a Washington Post columnist and US permanent resident, was killed on 2 October in the Saudi consulate in Istanbul. His death has fuelled a crisis for the world�s top oil exporter, the lynchpin of a US-backed regional bloc against Iran.

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