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Protesters in Iran will face the nation's "iron fist" if political demonstrations calling for the removal of the country's supreme leader do not end, a Revolutionary Guards commander has said. How much influence does the alternative security force have in Iran?
Also in the programme: the Indian priest who was held hostage by Islamist militants in Yemen for 18 months; and what will 2018 bring for Brexit negotiations?
(Image: Iranian students clash with riot police during an anti-government protest around the University of Tehran on 30 December 2017. Credit: EPA/STR)
There are reports of growing violence across Iran as anti-government protests continue for a third day. Videos posted on social media have shown at least two demonstrators being shot in the western town of Dorud.
Also in the programme: Greek government to appeal against granting of asylum to man accused by Turkey of involvement in failed coup; and Nepal bans solo climbers and demands medical certificates from disabled mountaineers.
(Image: An Iranian woman raises her fist amid the smoke of tear gas at the University of Tehran during an anti-government protest. Credit: AFP)
Thousands of government supporters have rallied in Tehran as the Iranian authorities urge people not to join any further anti-government protests. But reports suggest some are taking to the streets for a third day.
Also in the programme: The stepson of Ellen Johnson Sirleaf talks about the legacy of Africa's first female president; and Ringo Starr has been knighted at the age of 77.
(Image: Iranians chant slogans as they march in support of the government near the Imam Khomeini grand mosque in the capital Tehran. Credit: Hamed Malekpour/AFP/Getty Images)
Small protests have continued in Iran for a second day and have spread across the country.
Also in the programme: South Africa's parliament is told it should put in place a mechanism for removing President Zuma from office; and in a world-first, scientists save dog's leg with a lab-grown bone. The team now plans to try it on humans.
Picture: Picture shows protesters in a street in the Iranian city of Rasht. Credit: BBC.
Egyptian police have shot dead a gunman who attacked a church and a Coptic-owned shop south of Cairo; at least ten people are reported to have been killed.
Also in the programme: An eyewitness account of the fire that killed 15 people in Mumbai; and will China's ban on importing plastics leave much of the world without anywhere to recycle?
(Image: Security forces stand guard at the site of an attack on a church in Cairo. Credit: REUTERS/Amr Abdallah Dalsh)
President Ashraf Ghani of Afghanistan has condemned a suicide bomb attack on a Shia cultural centre in Kabul as a crime against humanity. Islamic state group claim the attack.
Also in the programme: George Weah, former world footballer of the year, is declared the winner of Liberia's presidential election and the story of Dhondup Wangchen, a dissident Tibetian filmmaker, who has reportedly fled China for the United States.
(Image: A man runs away as dust blows in the aftermath of bomb blast at a Shia cultural centre in Kabul, Afghanistan on 28th December 2017. Credit: Shah Marai/AFP/Getty Images)