Updated at 1:14 p.m. ET - Nearly two weeks since Jamal Khashoggi vanished in Istanbul, the shadow of the Saudi journalist's disappearance continues to loom ever larger. Now, President Trump is threatening "severe punishment" for Saudi Arabia if suspicions of Khashoggi's murder are confirmed and Saudis have vowed to retaliate in kind.
"The Kingdom also affirms that if it receives any action, it will respond with greater action," Saudi Arabia's state-run news agency said Sunday, ominously noting that the country plays "an influential and vital role in the global economy."
Citing an "official source," the Saudi Press Agency added that Riyadh "affirms its total rejection of any threats and attempts to undermine it." Rather, if Saudis face "political pressures" such as accusations or sanctions, "the outcome of these weak endeavors, like their predecessors, is a demise."
The Saudi Embassy in Washington, D.C., later sought to "clarify" those threats on Twitter, noting that "the Kingdom of Saudi Arabia extends it appreciation to all, including the US administration, for refraining from jumping to conclusions on the ongoing investigation."
The comments Sunday follow Trump's toughest comments yet about the simmering international controversy. Speaking with CBS's 60 Minutes, the president said that "nobody knows yet" whether the Saudi government ordered the killing of Khashoggi, a frequent critic, as Turkish officials reportedly allege.
"It's being investigated, it's being looked at very, very strongly," Trump said. "And we would be very upset and angry if that were the case."
Still, he was careful to hedge his language as he has been largely since Khashoggi vanished after the journalist's visit to the Saudi consulate in Istanbul. His administration has been on friendly terms with the Gulf regional power since taking office, supporting the Saudi-led airstrike campaign in Yemen and brokering an arms deal that could be worth $110 billion over the next decade.
During a news conference in the Oval Office on Saturday, Trump responded to a question about his response to the Khashoggi controversy by touting the economic benefits of the weapons sale.
"If they don't buy it from us, they're going to buy it from Russia or they're going to buy it from China or they're going to buy it from other countries," he said. "From the standpoint of jobs, economic development, a lot of other reasons, I would like to do something where we could maybe look at other things [than canceling the deal]."
Nevertheless, the Saudi Stock Exchange plummeted about 7 percent at one point Sunday on fears of economic fallout from the diplomatic dispute, before recovering some of its losses later in the day.