
Lawsuit marks collapse of relationship between two of the biggest names in Silicon Valley

Waning demand highlights scepticism over sector’s long-term profitability

US groups have been supplying AI services to Singapore-based subsidiaries of Alibaba, Baidu and Tencent

Regulators want to use the technology in their bid to cut red tape

The attorney-general nominee’s journey from a white-collar New York law firm to the centre of the administration

In Knightsbridge’s Montpelier Square, property prices have tumbled from a decade ago as foreign buyers look elsewhere

Chinese tech giant set to become largest shareholder in AI agent start-up after Beijing ordered reversal of US takeover

Late supreme leader set to be interred in Mashhad on Thursday

What it’s like living inside the world’s biggest football tournament

Donald Trump claims Tehran ‘called’ to negotiate but casts doubt on prospects of deal