Saudi Arabia in sweeping purge as prince cements power

Saudi Arabia pursued a sweeping purge of the kingdom's upper ranks on Sunday, saying it would freeze the accounts of dozens of princes, ministers and a tycoon arrested as the crown prince cements his hold on power.Prominent billionaire Al-Waleed bin Talal was among the princes arrested late Saturday, a government source told AFP, immediately after a new anti-corruption commission headed by Crown Prince Mohammed bin Salman was established by royal decree.Separately, the head of the Saudi National