24 hours in pictures

Sydney, Australia: A dachshund sits in a performance artwork titled Dachshund UN by Australian artist Bennett Miller at the Museum of Contemporary Art Photograph: Tracey Nearmy/EPA

Mexico City, Mexico: A federal police officer salutes during a ceremony marking Police Day Photograph: Marco Ugarte/AP

Barcelona, Spain: A demonstrator hits a pot during a demonstration next to a Bankia bank branch. Spain will stick to harsh austerity measures until it emerges from the financial crisis, the prime minister, Mariano Rajoy, said Photograph: Emilio Morenatti/AP

Belad al-Qadeem, Bahrain: A Shia Muslim covers his face from teargas fired by riot police during a demonstration in solidarity with political prisoners Photograph: Mohammed Al-shaikh/AFP/Getty Images

Hong Kong, China: Participants use their feet to paint a 1,600-sq metre picture during a charity event to raise funds for the mentally disabled Photograph: Bobby Yip/Reuters

Monterrey, Mexico: A woman takes part in a Zombie make-up congress Photograph: Miguel Sierra/EPA

New Delhi, India: Dancers from the transgender community take part in a performance during the first national Hijra Habba, which brought together transgender people, eunuchs, government representatives and NGOs Photograph: Kevin Frayer/AP

New York, US: Graveyard workers carry a casket carrying a pet dog. The Hartsdale Pet Cemetery, established in 1896, is the oldest pet cemetery in the US Photograph: John Moore/Getty Images

Cairo, Egypt: Protesters gather after the verdict in the trial of former president Hosni Mubarak in Tahrir Square. Many Egyptians are angry that Mubarak and his co-defendants were found not guilty of ordering the assault that left around 1,000 people dead Photograph: Manu Brabo/AP

London, UK: Londoners and their dogs don crowns at their Queen's diamond jubilee street party Photograph: Andrew Cowie/AFP/Getty Images

Sana'a, Yemen: A dehydrated child awaits treatment at a therapeutic feeding centre. According to reports, one of the poorest countries in the Arab world, Yemen, is facing a humanitarian emergency Photograph: Yahya Arhab/EPA

Tuejar, Spain: A helicopter flies over an extinguished wildfire near Valencia. The regional government said the wildfire has burned almost 1,000 hectares (2,500 acres) of forest Photograph: Alberto Saiz/AP

Warsaw, Poland: A gay pride marcher enjoys the parade Photograph: Wojtek Radwanski/AFP/Getty Images