Government under pressure after struggle to contain attacks on stores and official buildings

Strikes hit tech infrastructure after Russia targets electricity substations in Ukraine

Indiscriminately targeting those with 10-digit fortunes is arbitrary, misguided and costly

Party insiders say past elections show predictions of a Democratic wave in Congress are overstated

The Iran war and AI boom are strengthening the case for clean power, despite the president’s efforts to curb it

Shares in world’s largest IT consultancy have fluctuated in recent months over questions about the impact of AI

A vast bet on the future of the technology is running into the unforgiving economics of the physical world

A disastrous five-day stint for the president’s new press secretary is just the latest sign of chaos in the White House

New method of deception appears co-ordinated, suggesting Moscow is tightening its control over the tankers

Poll of 94 economists points to benefits reaching far beyond the US and China

Tech companies are being forced to confront the rules of negotiation when machines act on humans’ behalf

The continent’s urban centres are set to expand by 19mn people annually, or by nearly two Londons a year. But urbanisation is not following a familiar path