Saudis reject sanction threats; stocks plunge after Trump comments

A security officer peers from the entrance of the Saudi Arabia’s consulate in Istanbul, Sunday. (AP Photo/Petros Giannakouris)

The shadow of a Saudi trader is seen on a stock market monitor in Riyadh, Saudi Arabia on Oct. 7, 2008. (AP Photo/Hassan Ammar, File)

DUBAI, United Arab Emirates — Saudi Arabia on Sunday threatened to retaliate for any sanctions imposed against it after President Donald Trump said the oil-rich kingdom deserves “severe punishment” if it is responsible for the disappearance and suspected murder of Washington Post contributor Jamal Khashoggi.