24 hours in pictures

Mexico City, Mexico: Clowns arrive at the Jimenez Rueda theatre for the 15th international clown convention Photograph: Claudio Cruz/AP

Karachi, Pakistan: Paramilitary soldiers guard a crime scene after gunmen launched an attack on a market, killing at least 11 people Photograph: Asif Hassan/AFP/Getty Images

Lyon, France: Youths run away from riot police during clashes on the sidelines of the continuing protests against pension reform Photograph: Philippe Desmazes/AFP/Getty Images

Cairo, Egypt: The shadow of Egyptian antiquities chief Zahi Hawass is seen on a mural inside the newly discovered tomb that belonged to Rudj-Ka, a priest who headed the mortuary cult of the pharaoh Khafra, near the Great Pyramids at Giza. The tomb is thought to be nearly 4,500 years old Photograph: Nasser Nasser/AP

Ahmadabad, India: A labourer's child sits in a cradle at a coal warehouse Photograph: Ajit Solanki/AP

Hefei, China: A dancer from the St Petersburg State Ice Ballet waits backstage before a performance of Swan Lake Photograph: Jianan Yu/Reuters

Havana, Cuba: Graciela Gonzalez sleeps while holding on to a cigar. Gonzalez, 86, is a licensed street entertainer and earns a living posing for tourists, charging them one CUC (Cuban convertible peso, worth $1.05) for the privilege Photograph: Desmond Boylan/Reuters

Mae La camp, Thailand: A young Burmese girl carries her brother on her back in a refugee camp on the Thai-Burma border Photograph: Barbara Walton/EPA

Santo Domingo, Dominican Republic: A model cries backstage after her hairstylist cut her hair too short before a fashion show Photograph: Eduardo Munoz/Reuters

Rawalpindi, Pakistan: Afghan refugee girls leave a mosque after attending a religious class Photograph: Muhammed Muheisen/AP

Kandahar, Afghanistan: A soldier has a haircut in a barber shop at Kandahar airfield Photograph: Rodrigo Abd/AP

Nancheng, China: A labourer shoulders his load at a rare earth metals mine Photograph: Reuters

Jakarta, Indonesia: Riot police listen to instructions from their commander near the presidential palace as they prepare for a rally Photograph: Enny Nuraheni/Reuters

Nicosia, Cyprus: A Greek-Cypriot woman dances the tango with a Turkish-Cypriot partner at a bicommunal "milonga" in the Turkish-occupied part of the Cypriot capital Photograph: Patrick Baz/AFP/Getty Images