Saudi Mohammed bin Salman spoke with the Kuwaiti leader about rejecting Iranian aggression on Wednesday. Pakistani PM contacted him, calling Houthi attacks on Red Sea shipping 'unacceptable.'. In Washington, discussions centre on a planned nuclear pact between Washington and Riyadh. The pact is tied to normal ties with Israel under conditions set by former US President Donald Trump. Iranian officials are weighing how the agreement could shift regional power balances. Watchers say that the pair of tracks of military talks and diplomacy has put Riyadh at the heart of talks across the Gulf. Behind the scenes contacts between the kingdom and American officials have continued through recent weeks, even as attacks and replies have dominated headlines. A western official said the civil nuclear file was now closely linked to the Israel file. Inside Saudi policy circles, the emphasis has stayed on shielding the kingdom, rather than public messaging. Meanwhile, Iranian officials is reportedly weighing responses if the nuclear arrangement moves forward, with one senior Iranian figure warning of new pressure across neighbouring states.