Diplomats say de-escalation talks continue as Trump vows retaliation over US soldier deaths

• Middle East crisis live – latest updates

The US military said it has launched its 10th consecutive round of strikes on Iran to force the reopening of the strait of Hormuz.

Earlier on Monday, Iran’s president said the country is in a “full-scale war” after the US expanded its aerial campaign and Tehran struck Washington’s Gulf allies, even as diplomats said talks to de-escalate were continuing.

From Nevada to Manchester, developers are trialling innovative solutions to clean energy’s biggest challenge

In the deserts of the United Arab Emirates a sprawling clean energy project, stretching across an area roughly the size of 12,600 football fields, will play host to a breakthrough allowing solar energy to power the equivalent of half a million homes through the night.

The Gulf state has been steadily combining 5.2GW of solar power capacity with 19GWh of battery storage to create the largest battery scheme in the world.