The World Tonight

The BBC has uncovered new evidence that vulnerable girls and young women in London are being groomed by gangs to carry drugs and have sex. We discuss the findings with the former head of the National Crime Agency's Child Exploitation Command.
Also on the programme: the day after the US State Department approved the UK's Chagos Islands deal, President Trump launches a new attack on it.
And the symphonic sounds hidden in the freezer aisle of a Sheffield supermarket.

Reverend Jesse Jackson, a giant of the civil rights movement, has died at the age of 84. As politicians from across the spectrum pay tribute to his legacy, we speak to his son, who was with him when he died. 
Also on the programme: Labour faces a mass resignation of councillors in Hartlepool over funding for children in care. The local Labour MP tells us he’s “furious”. 
And as China celebrates the Lunar New Year, an astrologer tells us what to expect from the Year of the Fire Horse.

Parents in north London have been told their children could be excluded from school if they are not fully vaccinated against measles amid an outbreak of the highly contagious disease. We find out what’s caused the latest outbreak.
Also in the programme: In an interview with the BBC, Hillary Clinton accuses the Trump administration of a cover-up over Jeffrey Epstein. And musician Patrick Darling, who was diagnosed with motor neurone disease (MND), has returned to the stage after artificial intelligence (AI) gave him his voice back.

Two men have been given life sentences for planning a gun attack on Manchester’s Jewish community. The plot was foiled by an undercover officer, and Greater Manchester Police said if it had gone ahead it could have been the deadliest terror attack in British history.
Also on the programme: German Chancellor Friedrich Merz tells the Munich Security Conference the rules-based world order no longer exists, and that this has consequences for America, too.
And Matt Weston triumphs in the skeleton to win Team GB’s first gold medal at this year’s Winter Olympics.

President Trump has repealed a key government scientific finding that carbon emissions endanger human health. The so-called “endangerment finding” of 2009 was the legal bedrock of efforts to rein in emissions and critics fear it is a major setback in the fight against climate change.
Also on the programme: Sir Jim Ratcliffe has apologised for "offending some people" with his language after saying the UK had been "colonised by immigrants". We discuss the importance of the language we use in politics.
And as the Berlin Film Festival opens, we speak to the director of one of the entrants, a rom-com set in Kabul.