bridgewater n.j. u.s. president donald trump speak separately leaders saudi arabia abu dhabi qatar sunday discuss concern ongoing dispute qatar gulf arab neighbor white house say trump spend long weekend property new jersey speak saudi arabia king salman bin abdulaziz well abu dhabi crown prince sheikh mohammed bin zayed al-nahyan qatar emir sheikh tamim bin hamad al-thani reiterate importance stop terrorist finance discredit extremist ideology president also underscore unity region critical accomplish riyadh summit goals defeat terrorism promote regional stability white house say president trump nevertheless believe override objective initiative cessation fund terrorism say qatar face possible sanction arab state sever tie doha allegations link terrorism deadline accept demand originally expect expire sunday night saudi arabia three ally agree request kuwait extend 48 hours qatari foreign minister sheikh mohammed bin abdulrahman al-thani say demand make reject add arab ultimatum aim tackle terrorism curtail country sovereignty gulf countries insist demand non- negotiable unite arab emirates ambassador russia say qatar could face fresh sanction comply demand feud erupt last month saudi arabia unite arab emirates bahrain egypt sever diplomatic travel tie qatar accuse support terrorism ally regional foe iran charge doha deny rift open days trump meet arab leaders riyadh call unity regional threats iran hardline islamist militant group state department official say sunday unite state encourage party exercise restraint allow productive diplomatic discussions go get ahead discussions fully support kuwaiti mediation trump discuss concern qatar dispute gulf arab state call