Members of the powerful 'Ndrangheta have been arrested in the operation, involving hundreds of police from Belgium, Italy, Germany and the Netherlands. More than three tonnes of cocaine were also seized, along with hundreds of millions of Euros in laundered money. We’ll hear from someone involved in the operation, as well as an expert in the 'Ndrangheta. Also in the programme: what worms in space could teach us about astronauts’ muscles; and should other companies follow the example of McDonald’s in the fight against climate change? (Picture: police search an Italian restaurant in Germany as part of their operation against the 'Ndrangheta mafia. Credit: EPA)

Two former close aides to the Saudi Crown Prince are accused of involvement in the murder of Jamal Khashoggi. Speaking to Newshour, the UN Human Rights chief, Michelle Bachelet, calls for an international criminal investigation into the murder: Also in the programme: how to provide for a world of 10 billion people. (Photo: file photo of demonstrator holding a poster with a picture of Jamal Khashoggi outside the Saudi Arabia consulate in Istanbul. Credit: Reuters/Osman Orsal)

The British government is facing a Brexit setback after losing crucial votes in parliament. Also, the parents of detained journalist Austin Tice believe he is still alive in Syria. And, at least 24 people have been killed by separatists in the disputed Indonesian province of West Papua, the worst violence in the region for years. (Photo: Theresa May in the UK House of Commons. Credit: UK Parliament/Mark Duffy)

The French government has suspended a planned fuel tax rise that had prompted violent protests. Also in the programme: A BBC investigation in Burundi about secret torture and detention centres, and Israel targets Hezbollah tunnels. (Photo: Yellow Vest Protestor in Paris. Credit: Getty Images)

Three years after the Paris Climate Agreement, world leaders are meeting in Poland to map an action plan for climate change. We look at the psychology that keeps people from doing more. Also in the programme; why Hungary's Central European University, funded by George Soros, is moving to Vienna - and the secret shelter in Iraq that offers refuge to women who have survived abuse. (Photo: Dignitaries and guests are seen gathered for the opening of the Climate Change Conference COP24 in Katowice. Credit: Getty Images)

The people's delegate at the UN conference, British naturalist Sir David Attenborough, says the collapse of civilisation and extinction of much of the natural world is on the horizon unless we take action. Also in the programme: Stem Cell research possible cure for osteoarthritis and is veganism is a 'philosophical belief'. (Photo: Sir David Attenborough. Credit: Getty Images)