The mood in South Arabia is… well unimaginable at the moment.

There is a political tsunami sweeping across the country.

And princes, politicians and top businessmen are falling victims to the tornado.

On Saturday, Saudi authorities arrested dozens of senior figures including princes, ministers and a top business tycoon, in what authorities hailed as a "decisive" anti-corruption sweep.

But analysts believe it’s all part of the kingdom's crown prince’s attempt at consolidating power.

Prominent billionaire Al-Waleed bin Talal was among the 11 princes arrested late Saturday, reports said, immediately after a new anti-corruption commission headed by Crown Prince Mohammed bin Salman was established by royal decree.

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Separately, the head of the Saudi National Guard, once a leading contender to the throne, as well as the navy chief and the economy minister were replaced in a series of high-profile sackings that sent shock waves through the kingdom.

The dramatic purge comes at a time of unprecedented social and economic transformation in ultra-conservative Saudi Arabia, as Prince Mohammed steps up his reform drive for a post-oil era.

Saudi-owned Al Arabiya television reported that the princes, four current ministers and dozens of ex-ministers were arrested as the commission launched a probe into old cases such as floods that devastated the Red Sea city of Jeddah in 2009.

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