Shell says windfall tax threatens North Sea oil and gas investment

Firm says Sunak's levy creates uncertainty and asks for tax relief that covers investment in renewables

Shell has said Rishi Sunak's windfall tax is a threat to investment in North Sea oil and gas as Britain attempts to ramp up domestic energy supplies.

The chancellor yesterday announced an energy profits levy" on oil and gas operators that he hopes will raise 5bn to help fund a support package for households.