Mattis says Khashoggi's death has undermined Middle East

U.S. Defense Secretary James Mattis said on Saturday that journalist Jamal Khashoggi's death has undermined stability in the Middle East, and Washington D.C. is up to take any additional measures against those responsible, per Reuters.

Why it matters: Saudi Arabia’s allies have been outraged with the country that is entangled in a U.S.-backed regional bloc against growing Iranian influence in the Middle East.

Go deeper:

• Khashoggi killing complicates Trump's peace plan
• Saudi prosecutor says Khashoggi's killing was premeditated
• Report: CIA director heard audio of Khashoggi's alleged murder