Six O'Clock News

The president of Iran, Masoud Pezeshkian, has appealed to young people not join the unrest sweeping his country — as the authorities continue their deadly crackdown.Three teenagers and a man in his 50s have been killed in a car crash in Bolton.The UK's former ambassador to Washington, Lord Mandelson, has declined to apologise to the victims of the late sex offender Jeffrey Epstein for maintaining a friendship with the disgraced financier following his initial conviction.Plus: one of the country's largest concert instruments, an organ 14 metres tall, has been played in public for the first time since its restoration.

The BBC has heard reports of hospitals being overwhelmed in Iran as officials have issued fresh warnings to those taking part in the anti-government protests that have spread across the country for almost a fortnight.Kyiv's energy supply is cut for emergency repairs to infrastructure hit by Russian air strikes as temperatures in Ukraine fall even lower.And there's FA Cup euphoria for Macclesfield as the non-leaguers beat Premier League club and FA Cup holders, Crystal Palace

Downing Street has expressed outrage at changes introduced by the social media platform, X, to address concerns about its AI tool Grok. Also: Iran's Revolutionary Guard has warned it won't tolerate the current unrest in the country, as protests continue for a thirteenth day. And the National Grid says it is working to restore power to tens of thousands of homes after Storm Goretti brought heavy snow to parts of Wales and England.

The Met Office has put in place a rare red weather warning for this evening in Cornwall and the Isles of Scilly, meaning there is a danger to life. Also: Protesters have clashed with federal agents in the US city of Minneapolis, where a woman was shot dead by immigration officers. And the England cricketer, Harry Brook, has apologised after being involved in an altercation with a nightclub bouncer.

The United States says it has apprehended two oil tankers which are part of a "ghost fleet" linked to Venezuela. One flying under a Russian flag was seized in the North Atlantic, with the assistance of the British military. Also: The American Secretary of State, Marco Rubio, says he'll meet Danish officials about Greenland next week, after President Trump renewed his threat to seize the territory. And despite England's woeful Ashes performance, the head coach and the director of cricket look set to stay.