Opec’s oil output surged in March, according to the latest monthly report published by the oil producers’ group.

On 16 April, Opec pumped 30.79 million barrels a day (b/d), an increase of 810,000 barrels a day (b/d), led by higher production in Saudi Arabia, Iraq and Libya.

In its report, the group said it believed demand for its crude would average 29.27 milllion b/d over 2015, 80,000 b/d higher than previously thought.