Biden-MBS summit only a matter of time, former US official tells CNN as Saudi deputy defense minister in DC for talks with top aides, with his staff at same hotel as Gantz

Speculations regarding octogenarian monarch's health have swirled over recent years, as he further withdrew from the public eye

Kingdom rarely publicizes details on health of 86-year-old monarch, who has ruled the oil-rich country since 2015

Reported plan will serve as the first public instance of Saudi Arabia directly investing in Israel; two companies said to have already been selected

Relations between the two countries soured after Saudi agents allegedly killed journalist Jamal Khashoggi in Istanbul in 2018

Two-day trip comes after Turkish court ruled to halt trial in absentia of 26 Saudi suspects linked to the gruesome murder

Officials from Riyadh threatened to publicize alleged corruption by Abedrabbo Mansour Hadi to prompt his resignation, Wall Street Journal reports

Request comes as Ankara tries to normalize relationship with Riyadh, which reached an all-time low following journalist's grisly killing in Istanbul

Move comes amid strained relations between Riyadh and Washington, with the latter moving its air defense systems from kingdom and removing Iranian proxy Houthis from terror list

But Mohammed bin Salman repeats Riyadh's position that Palestinian conflict must be solved first; notes there are 'many interests' both countries could pursue together