Blasts, fires, traffic jams and panic shopping as Iran’s capital comes under attack

Washington is ill-equipped to handle the regional conflagration it has unleashed

New chief executive publishes his first letter to shareholders after Warren Buffett’s retirement

Tehran has previously threatened to close the Strait of Hormuz shipping chokepoint

From Mar-a-Lago, US president defied critics to launch his most high-stakes military intervention

Bloody history of US interventions in region shows those launching assaults are rarely able to control outcome

Islamic Republic has survived countless crises and foreign interventions for almost half a century

American military assets in the region and Gulf oil supplies are vulnerable to retaliation and Israel is a renewed target

Chinese AI group has worked with Huawei to cut reliance on Nvidia chips

US and Israel burned through interceptors at an unprecedented rate during last year’s 12-day war

Tehran retaliates with missile attacks on Israel, UAE, Qatar and Kuwait

State says it is a ‘pre-emptive’ attack to ‘remove threats’

Liberals should favour competition in all things but the superpower game

Surge comes amid increase in number of redress payouts by tax authority

April’s Making Tax Digital launch will instead Make Tax Difficult

Viewed by some as a strategic necessity, the agreement has been complicated by shifting US priorities and political fragmentation at home

Vessels in European ports deteriorate after being hit by sanctions

Judge rules Virginia does not have right to restrict ‘minors’ access to constitutionally protected speech’

Ellison father and son viewed deal as a matter of survival to compete with tech giants that now dominate Hollywood

Pentagon bans start-up from government contracts, as OpenAI announces deal to deploy models in classified networks

Republicans target ex-president over ties to late sex offender while Democrats press for answers over Donald Trump

Amazon, Google and Microsoft staff urge their executives to adopt tough AI guardrails and refuse any defence contracts

Investors fret over growing strains in private credit and risks of AI disrupting the software industry

Lenders weigh losses linked to Market Financial Solutions, which financed a Bangladeshi politician’s real estate empire