Six O'Clock News

The Prime Minister has said there are "serious questions" for the police to answer about the murder of a student who was handcuffed and arrested while he lay dying - after his killer falsely accused him of racism. Henry Nowak was stabbed as he returned from a night out in Southampton in December last year. Also: New phase of the El Niño could be one of the strongest ever recorded. Evacuations in Ukraine's Kharkiv region as Russian attacks intensify. UK Athletics fined for manslaughter after athlete killed by collapsing shot-put cage. And: Knighthoods and Damehoods for Idris Elba, Torvill and Dean and Meera Syal.

Thousands of documents published by the government have revealed that while Lord Mandelson was the US ambassador, he repeatedly criticised Sir Keir Starmer's leadership in discussions with ministers. The exchanges were released as part of the publication of the second set of documents relating to Lord Mandelson's time in Washington. In other news, Israel's military has told residents of Beirut's southern suburbs to evacuate after the Israeli prime minister, Benjamin Netanyahu, ordered his forces to target the area; and an international court has ruled that the UK will not have to pay Rwanda costs or compensation for the Labour government's decision to scrap the Conservatives' plan to deport some migrants there.

The former First Minister of Scotland, Nicola Sturgeon, has insisted she knew nothing about her estranged husband's crimes, after his admission of embezzlement. Peter Murrell pleaded guilty to spending more than £400,000 of Scottish National Party funds. In other news, Israel's prime minister, Benjamin Netanyahu, has ordered his troops to advance further into Lebanon as Israel fights the Iran-backed militant group Hezbollah; and thousands of Arsenal fans have filled the streets of north London to celebrate winning the Premier League for the first time in 22 years.

The charity, Médicins Sans Frontières, has warned that no previous outbreak of Ebola has recorded as many cases at such an early stage as the current one in Democratic Republic of the Congo. The head of the World Health Organisation, Tedros Adhanom Ghebreyesus, has spent the day in the city of Bunia in the north-east of the country - the epicentre of the outbreak.
In other news, it's emerged that Buckingham Palace was handed emails six years ago that appear to show the then-Prince Andrew was sharing confidential government information while he was a trade envoy. Andrew Mountbatten-Windsor is under investigation on suspicion of misconduct in public office and has consistently denied wrongdoing.
And Liverpool have sacked their manager, Arne Slot, saying the club was looking for a "change of direction."

Romania expels a Russian diplomat and announces plans to strengthen its air defences -- after a drone crashed into an apartment block close to the border with Ukraine.
A Canadian man who sent toxic chemicals to people in dozens of countries – including the UK, Australia and Italy – has pleaded guilty to aiding suicide.
President Trump says he is meeting advisers at the White House to decide whether to back a proposed agreement with Iran.
NASA considers how its plans for a permanent base on the Moon will be affected after a Blue Origin rocket dramatically exploded on the launchpad.
And the charity hikers who were booed at the top of the highest mountain in Wales.