Morning Rundown: The main headlines, best video and what will shape today's news

Welcome to your Morning Rundown from Sky News - the key stories shaping the day ahead.

Tap any headline to read the full story. PM in 'precarious position' after Mandelson files climbdown Sir Keir Starmer is facing growing anger from Labour MPs and heightened speculation about his future after a backbench rebellion forced him to publish files about his decision to appoint Peter Mandelson as US ambassador.

The PM is expected to face the media this morning after he gives a speech about plans for investment in the UK's most deprived communities - follow live updates in the Politics Hub. Email appears to contradict Andrew's claims about photo An email seemingly sent by Ghislaine Maxwell appears to contradict claims by Andrew Mountbatten-Windsor that a photograph of him with his sexual abuse accuser Virginia Giuffre is not real.

The authenticity of the picture, which shows Andrew with his arm around Ms Giuffre, had previously been questioned by the former Duke of York, but an email from Maxwell to Jeffrey Epstein, part of the latest files release by the US Department of Justice, appears to confirm the circumstances of the picture. The former prince has vigorously denied any accusations against him with relation to Epstein US-Russia nuclear treaty expires today The last remaining treaty capping the arsenals of Russia and the US will expire today.

It means, for the first time in more than half a century, there will be no legal limits on their missiles and warheads, and there are fears we are on the brink of a new arms race. Savannah Guthrie makes emotional plea to mother's captors US TV host Savannah Guthrie has pleaded for the return of her mother and said the family is "ready to talk" to her captor - but asked them to provide proof she is alive.

Trump orders 700 immigration agents out of Minnesota Donald Trump has said he's ordered hundreds of immigration officers to leave Minnesota - although around 2,000 will remain in the state. The pullback comes amid fury over the deaths of two protesters in altercations with federal officials.

What's in the papers? A bruising day for Sir Keir Starmer and uncertainty about his future as prime minister dominates the front pages. What's happening in sport? Manchester City have dumped holders Newcastle out of the League Cup in style.

They won 3-1 in their semi-final second leg last night, for a 5-1 aggregate victory. Pep Guardiola's men will face Arsenal in the final at Wembley next month.

And British number one Emma Raducanu has staged a remarkable comeback in the quarter-finals of the Transylvania Open, roaring back from five games down in the first set to secure a straight-sets win. To follow the latest on these stories and more through the day, download the Sky News app and follow us on WhatsApp..