Oil prices have hit a four-year high of over $81 (£62) a barrel after Saudi Arabia and Russia rejected calls by Donald Trump to increase production.
Brent crude hit its highest level since November 2014 at $81.16 a barrel, up 3% on the day, BBC News reports.
Saudi Arabia leads the OPEC oil cartel, while Russia is the biggest oil producer outside the group.
They met in Algiers on Sunday to discuss global supply levels and US sanctions on Iran.
The meeting ended with no formal agreement on any additional supply boost.
Saudi energy minister Khalid al-Falih said at a press conference in Algiers that he did not "influence prices".
Opec and other producers had discussed raising output by 500,000 barrels a day... Читать дальше...