24 hours in pictures

Fleury-Merogis, France: Policemen fire teargas at protesters blocking access to a jail during a national blockade by prison staff in protest against working conditions Photograph: Boris Horvat/AFP/Getty Images

Karachi, Pakistan: Camels and their owners await tourists at the beach Photograph: Asif Hassan/AFP/Getty Images

Mexico City, Mexico: Passengers wear face masks as a precaution against swine flu as they walk through terminal 1 at the international airport Photograph: Rodrigo Abd/AP

Macha, Bolivia: Quechua men pass a funeral home during the Thinku festival Photograph: Dado Galdieri/AP

Los Angeles, USA: A customer looks at the many possible hairstyles of the US president, Barack Obama, at a barber shop Photograph: Jewel Samad/AFP/Getty Images

Ramallah, West Bank: Palestinian fruit vendors balance watermelons on their heads in a bid to attract customers Photograph: Nasser Ishtayeh/AP

Golestan, Afghanistan: Farmers harvest opium in a poppy field Photograph: Goran Tomasevic/Reuters

Brasilia, Brazil: Indigenous people gather to demand land rights Photograph: Fernando Bizerra Jr/EPA

Haarlemmermeer, Netherlands: A scarecrow goes about its job in a Dutch field Photograph: Koen Suyk/AFP/Getty Images

Yongin, South Korea: A girl feeds budgerigars on Children's Day at the Everland amusement park Photograph: Jeon Heon-Kyun/EPA

Chennai, India: A homeless woman takes a nap next to her monkeys during a hot summer's day Photograph: Babu/Reuters

Tehran, Iran: A man waves to journalists as he leaves the interior ministry after registering as a candidate for president of Iran Photograph: Morteza Nikoubazl/Reuters