Ash believed Saudi Arabia's reform plan was "meant to make U.S.re-engagement with Saudi Arabia easier as (Saudi Crown Prince Mohammed bin Salman) is offering a reform vision for Saudi Arabia and a reform vision for Islam, to counter the risks of religious extremism".
The supply of rockets to the Houthi movement could "constitute an act of war against the kingdom", state news agency SPA on Tuesday quoted Prince Salman as saying in a call with British Foreign Minister Boris Johnson.
He spoke as the US also pointed the finger at Iran accusing the country of supplying rebels with the ballistic missile which struck the Saudi Arabian capital last week.
Iran has denied it was behind the missile launch, rejecting the Saudi and U.S. statements condemning Tehran as "destructive and provocative" and "slanders".
Saudi Arabia's stock market continued to fall in early trade on Wednesday because of concern about the economic impact of its anti-corruption purge.
Jane Kinninmont, the senior fellow at the Middle East and North Africa programme at Chatham House, tells us how the round-up indicates a very different tone from what has transpired in Saudi Arabia in the past. Instead, the fighting has been largely a stalemate and monitoring groups have accused the Saudis of inflicting many civilian casualties and contributing to Yemen's misery. It said that "Iran's role and its direct command of its Houthi proxy in this matter constitutes a clear act of aggression that targets neighboring countries, and threatens peace and security in the region and globally". This would further exclude thousands of people most affected by the crisis from essential healthcare. The missile is the first to reach the Saudi capital.
Rouhani asked what alternative the rebels had in the face of the devastating bombing campaign waged against them by the Saudi-led coalition since March 2015.
Earlier this month Saleh Arouri, the deputy chairman of Hamas' political bureau, also held talks in Beirut with Hassan Nasrallah, the leader of Hezbollah amid reports that the Iran-backed Lebanese Shia movement was trying to restore ties between Hamas and Syria. "What's different is that the Saudis are willing to fight in a way the Saudis haven't been willing to fight before".
"Some of those they are harshly treating have been 'milking' their country for years!"
A high-level employee at Prince Alwaleed bin Talal's company confirmed to the Associated Press that he is among those detained.
European Union ambassadors issued a statement reiterating their support for Lebanon and urging all sides to "pursue constructive dialogue to build on" the government's work of the past year and prepare for next year's parliamentary elections.
The United Nations says seven million people are facing famine.