Oil fell by the most since 1991 on Monday after Saudi Arabia started a price war with Russia
The Saudi move was no shot across the bows aimed at Russia's reluctance to extend and boost a deal to curb production.
The battle ended when the Organization of the Petroleum Exporting Countries (OPEC) and Russia struck a deal to cut production
Both princes had served previously in the post of interior minister, overseeing security and surveillance inside the kingdom
Another source said the princes were accused of "treason".
The New York Times also reported the detentions, adding that Prince Nayef's younger brother Prince Nawaf bin Nayef had also been detained
A panel of several ministers from OPEC, Russia and other producers failed to clinch a preliminary agreement for additional cuts, OPEC sources said
Yusuff Ali, 64, is the chairman of the LuLu Group, who was ranked the richest expat in the UAE by the Forbes magazine last year
Building on an agreement on reducing violence across Afghanistan, Secretary of State Mike Pompeo said Friday
Pompeo said the United States was "prepared to talk anytime" to Iran but emphasised that the Iranian regime has "got to fundamentally change their behaviour"
The death toll in China's coronavirus outbreak has gone up to 1,016 while the confirmed cases of infection have soared to 42,638, Chinese health officials said on Tuesday
The British-based Vodafone is one of the world's largest cellphone operators and the top provider in Egypt, with over 40 million Egyptian subscribers
Sectoral approach to AI rules allows greater flexibility to regulators, say experts
Saudi authorities rejected the latest allegations on Saudi Crown Prince Mohammad bin Salman
Soon after the message was sent, a massive amount of data was extracted from Bezos's phone, the Post said investigators concluded
Amazon will not take part in a Saudi investment conference starting Tuesday which is set to mark Crown Prince Mohammed bin Salman's return to the world stage
The world's most profitable company extended declines on Monday after dropping to its lowest closing price yet a day earlier.
Saudi Arabia and the United Arab Emirates, both allies of Washington, are also vulnerable to Iranian counter strikes, analysts say.
One of his favourite targets is Mohammed bin Salman, the Saudi crown prince, whom he long ago tagged with a nickname, now widely used by detractors, that translates to "the bear that has gone astray"
The announcement came after Abu Dhabi Crown Prince Sheikh Mohamed bin Zayed Al Nahyan concluded his one-day visit to the country on Thursday