The Saudi king ordered Mohammed bin Nayef to step aside in favour of the king's favourite son, Mohammed bin Salman. The reason: an addiction to painkilling drugs was clouding Nayef's judgment.
Closer ties between Saudi Arabia and US President Donald Trump's administration helped pave the way for a succession shake-up making a 31-year-old prince the kingdom's de facto ruler, analysts say.
According to a royal decree issued by the official Saudi Press Agency, Mohammed bin Salman, 31, was also named deputy prime minister, and maintains his post as minister of defence
"Islamophobia" in parts of the world is fuelling terrorism, the head of the United Nations said on a visit to Saudi Arabia on Sunday, as anti-immigrant sentiment rises in some countries.
The decision caps paid overtime hours to 25 per cent of the employee's salary and at no more than 50 per cent for work on days off.