Axios reports US Mideast coordinator Brett McGurk and Iran's top nuke negotiator Ali Bagheri Kan were in Gulf nation at same time, with Muscat officials shuttling between sides

Washington said to rebuff Israeli officials' concern it is seeking a 'time out' with Tehran that could keep some enrichment activity intact

Ramallah threatening to withdraw in what could lead to Aqaba's meeting's cancellation altogether as representatives from Jordan and Egypt won't want to attend without PA

Brett McGurk, top White House official on region, says 'something long talked about is now being done, through innovative partnerships and new technologies'

Brett McGurk, WH National Security Council Middle East coordinator, says US may use sanctions and diplomatic isolation without 'needlessly' escalating situation, Axios reports

Mideast diplomat says unclear whether deal will be done in time for Biden visit, as Jerusalem and Riyadh don't have formal ties, and latter hesitant to put agreement in writing

Talks focus on regional security issues, threats posed by Iran, report says; meeting comes ahead of Biden visit to the region, as US pushes for cooperation

McGurk, Hochstein make covert trip in effort to finalize transfer of Red Sea islands from Egypt to Saudi Arabia; Israel hopes Riyadh will take steps toward normalization in tandem

Jerusalem says Abu Dhabi initiative an opportunity to curb Iranian hegemony, as Biden weighs desire to align with allies against concern over humanitarian fallout

Crowds wave Iranian flags, chant slogans and carry placards that read 'Death to America' and 'Death to Israel' as they celebrate uprising that ousted Western-backed monarchy