An informal Opec meeting next month is unlikely to deliver any agreement to limit production because several members including Iran are still pumping below capacity.

A branch of the US Treasury uses sophisticated financial tools to hit targets linked to hostile governments. This is the new global warzone, write Leah McGrath Goodman and Lynnley Browning.

US petrol at the pump may have reached its annual peak the earliest in 14 years, amid rising oil supply, easing Middle East tensions and the takeover of refineries that were threatened by closure.