24 hours in pictures

Toluca, San Salvador: Two boys look at a beached humpback whale Photograph: Jose Cabezas/AFP/Getty Images Los Angeles, US: Competitors take part in the annual 4 July Muscle Beach Competition at Venice Beach Photograph: Gabriel Bouys/AFP/Getty Images Singapore: A vet uses a stethoscope on a proboscis monkey during a routine health check at Singapore zoo Photograph: Joel Boh/Reuters Dadaab, Kenya: A Somali refugee waits in line with her daughter outside a food distribution point at a refugee camp Photograph: Roberto Schmidt/AFP/Getty Images Ajdabiya, Libya: A Libyan rebel fighter at a checkpoint Photograph: Gianluigi Guercia/AFP/Getty Images Nablus, West Bank: Jewish worshippers pray outside Joseph's tomb, marking the anniversary of the biblical figure's death Photograph: Uriel Sinai/Getty Images Dadaab, Kenya: Child begins treated for severe malnutrition at a hospital run by Médecins Sans Frontièrs Photograph: Roberto Schmidt/AFP/Getty Images Iowa, US: A man sits on his tractor before the start of a 4 July parade Photograph: Jessica Rinaldi/Reuters San Juan, Argentina: Dancers, wearing costumes with the colours of the Peruvian flag, left, and the Uruguayan flag, right, wait ahead of their performance in the Copa America football tournament Photograph: Ricardo Mazalan/AP London, UK: Guests shield themselves from the sun as a statue of former US president Ronald Reagan is unveiled in the grounds of the American embassy Photograph: Matthew Lloyd/Getty Images Wuhan, China: Revellers enjoy the cool waters of a swimming pool as summer temperatures rise Photograph: ChinaFotoPress/Getty Images Kiev, Ukraine: Ukrainian policemen arrest members of the political activist group Femem Photograph: Sergey Dolzhenko/EPA Juba, Southern Sudan: Musicians practise before a rehearsal an independence day ceremony Photograph: Goran Tomasevic/Reuters Paris, France: A model takes to the catwalk for Dior's autumn/winter 2011-2012 collection show, the fashion house's first since John Galliano was fired as creative director Photograph: Francois Guillot/AFP/Getty Images