Thomas Cook, a British holiday bookings company, has collapsed into administration. It has left hundreds of thousands of passengers stranded, while all flights and holidays booked through the firm have been cancelled. With 21,000 jobs at risk, the dream which began 178 years ago is over. Also on the programme, a special one-day UN climate summit; and a refugee crisis in Greece. (Picture: Thomas Cook, Travel Agents. Credit: BBC)

The United Nations says the last five years are likely to be the hottest on record. A report, compiled by the World Meteorological Organisation, warns that with levels of greenhouse gases in the atmosphere reaching new highs, the world is heading towards three degrees of warming by the end of the century. Also in the programme: Tens of thousands of Indian Americans attend a joint rally of Presidents Narendra Modi and Donald Trump in Houston; and we speak to one of those involved in rare anti-government protests this weekend in Egypt. (Picture: File photo of a coal fired power plant. Credit: John Giles/PA Wire)

Afghan officials in the central province of Logar say the Taliban have ordered the closure of all schools, a week ahead of the presidential election. Also in the programme: The campaign for and against greater gay rights, in a socially conservative South Korea: and India's prime minister is to address a mass rally of Indian Americans today but do they approve of his nationalist agenda? (Photo: Afghan employees of the election commission check the biometric devices as they prepare to shift them to the polling centers for the upcoming presidential elections in Kabul, Afghanistan, 15 September 2019. Credit: EPA)

A Saudi minister has said suitable action will be taken once the investigation into last week's attack on oil installations has been completed. But he's insisted that Iranian weapons were used. Also in the programme: Indian academics around the world have called on the government to lift restrictions in Kashmir and are cases of dementia going untreated - because some doctors, wrongly, think it's a natural part of getting old? (Photo: Saudi Arabia shows the missiles allegedly used on the attack last week. Credit: EPA)

Tear gas has been fired to disperse demonstrators in Egypt, at some of the first protests since President Abdul Fattah al-Sisi took power in 2014. Hundreds of Egyptians filled Tahrir Square in Cairo demanding his resignation. The protests were in response to corruption allegations against President Sisi's government. Also in the programme: the United States sends troops and missile systems to Saudi Arabia; and new research reveals that many doctors don't understand dementia and its treatments. (Picture: Protestors in Cairo, Egypt. Credit: EPA/STRINGER)

Worldwide demonstrations are held to protest global warming. We hear from the teenager behind the strike, Swedish campaigner Greta Thunberg. Also on the programme: A US Congressman tells us about the controversy surrounding a whistleblower being prevented from speaking; and the American gun manufacturer who is no longer producing its civilian semi-automatic rifles. (Photo: Youths walk down Pennsylvania Avenue while participating in the Climate Strike March in Washington DC on 20 September 2019. Credit: EPA/ Michael Reynolds)