Six O'Clock News

Hundreds of mothers and babies suffered serious injury or died because of systemic failures at the Nottingham University Hospitals Trust according to the biggest maternity inquiry in the history of the NHS. Also: The Met Office says the June temperature record has been broken. And scientists find sperm whales have regional accents.

After less than two years as prime minister, Sir Keir Starmer has announced his resignation after accepting he no longer has the support of his MPs. Also: The former DUP leader, Sir Jeffrey Donaldson, is found guilty of child sex offences, including rape. And the Met Office issues a rare red warning for extreme heat in parts of England and Wales.

Iran's military says it has again closed the Strait of Hormuz -- in response to Israel's continued strikes on southern Lebanon. Israel launched a wave of attacks this morning -- just hours after agreeing a ceasefire with Hezbollah -- saying it was responding to the firing last night of dozens of projectiles by the Iran-backed group. President Trump had said the Strait of Hormuz would reopen to shipping as part of the framework peace deal agreed between the US and Iran, and signed three days ago.Police say nine people remain in a critical condition in hospital after yesterday's fatal train crash near Bedford. A train driver was killed and scores of passengers were injured when one East Midlands Railway passenger service ran into the back of another. Counter terrorism police are investigating a series of suspected anti-Muslim attacks that left five men injured in Edinburgh last night. Officers say they have arrested a 36-year-old white Scottish man.

A teacher from Blackpool who sexually abused and murdered a baby he'd adopted is told he will never be released from jail. Also: A man has been arrested for attempted murder after a seriously injured boy was found in a crocodile enclosure in a zoo in Cambridgeshire. And a pendant featuring a carved portrait of Queen Elizabeth the first is to be sold at auction in the UK.

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.

The Attorney General says the sentences of three teenage boys who were spared custody over the rape of two girls in Hampshire, will be referred to the Court of Appeal. The boys were given rehabilitation orders by a Judge who said he would avoid "criminalising" them because of their ages. Bereaved parents meet the prime minister to urge him to ban social media for under 16s, as a government consultation on the issue draws to a close. Also: BP removes its chairman. Another record breaking hot May day. And: Part-time pilot becomes conductor of the Los Angeles Philharmonic.