Investigators in Turkey are expected to search the Saudi consul's residence in Istanbul as part of the ongoing review of the disappearance of journalist Jamal Khashoggi, according to state media.

Reuters, citing Turkish broadcaster NTV, reported Tuesday that police will search the residence in addition to the Saudi consulate. The state broadcaster added that investigators will search the consulate for a second time on Tuesday.

Khashoggi, a Washington Post columnist and Saudi dissident, was last seen entering the consulate in Istanbul two weeks ago, and was not seen leaving.

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NTV said investigators spent hours Monday overnight into Tuesday searching the Saudi consulate.

The Washington Post reported that forensic experts and a public prosecutor arrived at the consulate after the Saudis granted a Turkish team access to the facility for the first time since Khashoggi went missing.

The Post reported that cleaning crews carrying buckets, mops and what seemed to be cleaning solution were seen entering the consulate hours before investigators were on the scene. Officials familiar with the investigation told the news outlet that the building smelled like chemicals had been used once investigators got inside.

Khashoggi's disappearance has prompted outcry among many U.S. lawmakers who have warned that there will be consequences if Saudi Arabia is found to have been involved in his death. Senators have said it appears increasingly likely the journalist was killed in the consulate.

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 has expressed concern about Khashoggi's whereabouts, but on Monday insisted that Saudi officials had denied any knowledge of what happened. He went on to suggest, without citing evidence, that "rogue killers" may have been responsible for what happened to Khashoggi, who is a U.S. resident.

Secretary of State Mike Pompeo Michael (Mike) Richard PompeoPutin nominated for Nobel Peace Prize The Hill's Morning Report - Sponsored by Facebook - Trump previews SCOTUS nominee as 'totally brilliant' Pompeo accused of stumping for Trump ahead of election MORE arrived Tuesday in Riyadh for a meeting with King Salman about the matter.