President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE on Friday night called Saudi Arabia's explanation for the death of dissident journalist Jamal Khashoggi credible and said that the arrests of more than a dozen Saudi nationals were "a good first step."

"It's a big step. There's a lot of people involved," Trump said while speaking during a roundtable with top defense contractors in Arizona.

Trump added that "Saudi Arabia has been a great ally, but what happened is unacceptable."

When asked if he found the Saudi's explanation credible, Trump responded, "I do."

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The president told gathered defense contractors that he does not want to cancel or suspend billions of dollars in Saudi arms purchases as a punishment on the country, but would instead prefer “some form of sanction.”

"I would prefer that we don't use as retribution cancelling $110 billion worth of work," he said.

Trump also claimed without offering evidence that those arms deals were critical to more than 1 million U.S. jobs.

Several lawmakers, including Sen. Lindsey Graham Lindsey Olin GrahamSteele Dossier sub-source was subject of FBI counterintelligence probe Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Key Democrat opposes GOP Section 230 subpoena for Facebook, Twitter, Google MORE (R-S.C.) and Rep. Adam Schiff Adam Bennett SchiffSchiff claims DHS is blocking whistleblower's access to records before testimony GOP lawmakers distance themselves from Trump comments on transfer of power Rubio on peaceful transfer of power: 'We will have a legitimate & fair election' MORE (D-Calif.), have said the Saudi government's explanation released Friday for the death of Khashoggi is not credible.

The Saudi government claimed in a statement that after he entered its consulate Khashoggi was involved in a physical altercation that led to his death.

"The claim that Khashoggi was killed while brawling with 15 men dispatched from Saudi Arabia is not at all credible. If he was fighting with those sent to capture or kill him, it was for his life," Schiff tweeted Friday.

Saudi Arabia's statement Friday was the first time it had acknowledged that Khashoggi died after he entered its consulate in Istanbul on Oct. 2.

Khashoggi was last seen entering the Saudi consulate to obtain documents for his marriage.

Turkish authorities have claimed that Khashoggi was killed and dismembered by Saudi operatives in the consulate.

Before Friday, the Saudi kingdom denied any knowledge of the journalist's whereabouts.

Eighteen Saudi nationals have been arrested and are being questioned in connection with the case, the kingdom said Friday in its statement reported by state-controlled media outlets.

Updated: 9:30 p.m.