Argentina has elected a new president at a moment of deep economic crisis. Out goes the centre-left, back come the Peronists. Katy Watson reports on a sense of deja vu, with the role of Eva Peron filled this time by Cristina Fernandez de Kirchner, a former president, now returning to power as vice president.

The winds of change are blowing through the Vatican, after bishops meeting in Rome voted in favour of relaxing the rules on celibacy among the clergy. David Willey reflects on how Pope Francis is conducting a papacy that reflects a changing world.

Liberia in West Africa is one of the poorest countries in the world. It has still to recover from a civil war that ended more than 15 years ago. More recently it suffered a devastating Ebola epidemic. Lucy Ash goes to meet the Zogos, a group of people who've suffered more than most.

Imran Khan used to be best known as a flamboyant international cricketer. Today he's the prime minister of Pakistan and thousands of people are on the streets of Islamabad today in protest against his economic policies. Secunder Kermani says they are also suspicious of his links to the army.

Buddhism in China, a country that has often had an uneasy relationship with religion, is enjoying official approval. President Xi sees it as a way of promoting his country's status. Richard Dove has been to meet some monks high in the mountains and to eat peanut biscuits.