24 hours in pictures

Cairo, Egypt: Egyptian protesters celebrate the capture of a state security armoured vehicle that demonstrators commandeered during clashes with security forces and brought to Tahrir Square Photograph: Amr Nabil/AP

Allahabad, India: A newly initiated Hindu monk peers from behind a tent during the Maha Kumbh festival Photograph: Saurabh Das/AP

London, UK: A man admires an art installation by Ann Veronica Janssens entitled 'Rose' which features in the Hayward Gallery's exhibition 'Light Show' Photograph: Oli Scarff/Getty Images

California, US: A seagull tries to swallow a starfish Photograph: David Royal/AP

Allahabad, India: Newly initiated naked - 'naga' - sadhus perform rituals on the bank of the Ganga river during the Maha Kumbh festival. A sadhu is a wandering monk. There are four to five million sadhus in India today and they are widely respected for their holiness. Photograph: Sanjay Kanojia/AFP/Getty Images

Chongqing , China: A man walks along an empty construction site Photograph: Carlos Barria/Reuters

Gao, northern Mali: A suspected Islamist extremist who was beaten by the crowd lies in the back of an army truck Photograph: Jerome Delay/AP

Krasnoyarsk, Siberia: Anfisa, an eight-year-old female chimpanzee, at the Royev Ruchey zoo Photograph: Ilya Naymushin/Reuters

Rustenburg, South Africa: An Ethiopia supporter reacts as the players enter the pitch for their African Cup of Nations Photograph: Armando Franca/AP

Milan, Italy: Danny O'Donoghue from The Script performs in concert Photograph: Olycom SPA/Rex Features

Beijing, China: A man leaves a subway station during severe pollution Photograph: Feng Li/Getty Images

Munich, Germany: Six-month-old white lion cubs walk around the ring of Circus Krone Photograph: Victoria Bonn-Meuser/EPA

Jerusalem: Ultra Orthodox Jewish men stand at a train station Photograph: Sebastian Scheiner/AP

Shetland Islands, UK: Members of the 'Jarl Squad' prepare for the annual Up Helly Aa festival which culminates in the burning of a Viking Galley in Lerwick Photograph: Andy Buchanan/AFP/Getty Images