The World Tonight

The prime minister meets the US president for the first time in New York, on the sidelines of the UN General Assembly. We speak live to our political editor, who has been in the room asking questions. Also on the programme: Billionaire businessman Sir Jim Ratcliffe suspends production at three of his chemical plants in Hull, citing high UK gas prices. And why do films written by women rake in a higher profit than those written by men? We hear from one female screen writer.

CNN, Politico and MS NOW are taking legal action against the Trump administration after their journalists' credentials were revoked. We hear from one journalist, once described as Mr Trump's antagonist-in-chief, who has personal experience of being shut out of the White House.
The head of an independent review into young people's mental health in England has said he is concerned about the high numbers of children self-harming. One father, whose son and daughter have both self-harmed, tells us about his family's experience.
And Scotland has long been considered the 'Home of Golf' - but could the real origins of the sport actually be somewhere else entirely?

French President Emmanuel Macron has warned that the threat of hybrid attacks by Russia against Europe and France has intensified. In a news conference at the Elysee Palace, Macron said he had ordered a plan to protect critical infrastructure and defence industry sites in the face of this threat. We get the view from Paris.
Also on the programme: why are attacks against LGBT people in Turkey intensifying?
Earl Spencer, the brother of Diana, Princess of Wales, stands by claims that the King told him she would be forgotton "soon enough".
And we explore how science fiction writers anticipated artificial intelligence.

King Charles has warned AI executives of the "existential dangers" posed by the technology falling into the wrong hands at a summit he convened Dumfries House. Amid calls for a slow-down in development, we ask whether Chinese AI companies would agree to cooperate on restrictions, as the chair of Huawei said they wanted to catch up with their American rivals.
Also on the programme: we speak to a national scything champion as a West Country abbey switches from lawnmowers to scythes in order to protect an endangered bee species.
And women in Johannesburg say they're living in fear following the discovery of another murder victim in the city. It brings to nine the number of slain women found in one area to the north of South Africa's largest city.

US President Trump has lashed out at a decision by new chair of the Federal Reserve Kevin Warsh to raise interest rates for the first time in three years. Warsh said he was taking the decision to combat inflation, as fuel prices spike around the world. We get reaction and look at worldwide protests against the price of fuel.
Also on the programme: explosive new claims about the King's reaction to the death of Princess Diana - from her brother.
The playwright and commentator Bonnie Greer is remembered by the composer with whom she co-wrote an opera about her famous Question Time appearance alongside BNP leader Nick Griffin.
And we rewind to a pre-vinyl period as wax cylinder music recordings are made live on stage at the Royal Academy of Music.