24 hours in pictures

El Calafate, Argentina: A shepherd watches his sheep cross a road Photograph: Natacha Pisarenko/AP

Tehran, Iran: Mahdi Karroubi, a reformist cleric, during his election campaign interview Photograph: Hasan Sarbakhshian/AP

Cannes, France: Belgian actors promote their film La Merditude des Choses at the film festival Photograph: Loic Venance/AFP/Getty Images

Aliabad, Afghanistan: Mobarak Shah, and Afghan army commander, takes cover behind a primary school wall as Taliban fighters attack his troops Photograph: David Guttenfelder/AP

Havana, Cuba: A transvestite who is awaiting his turn for a sex-change operation. The surgery, like all other healthcare in Cuba, will be free of charge Photograph: Claudia Daut/Reuters

Peshawar, Pakistan: A victim of a car bombing screams in pain at a hospital Photograph: Daniel Berehulak/Getty Images

Tijuana, Mexico: A street vendor walks past a taco restaurant Photograph: Guillermo Arias/AP

Barvikha, Russia: The president, Dmitry Medvedev, shakes hands with the Italian prime minister, Silvio Berlusconi Photograph: Maxim Shipenikov/Reuters

New Delhi, India: Fireworks are let off in front of the headquarters of the Congress party to celebrate the election results Photograph: Keith Bedford/Getty Images

Moscow, Russia: A riot police officer detains a man dressed in a bridal gown during a gay rights protest Photograph: Denis Sinyakov/Reuters

Sangjani, Pakistan: Refugees wait for food to be delivered to their tents at a refugee camp Photograph: Greg Baker/AP