24 hours in pictures

Athens, Greece: A protester wearing a gas mask shelters behind a vending machine during clashes with riot policemen Photograph: Angelos Tzortzinis/AFP/Getty Images

Karad, India: Girls carry bricks to be baked in a kiln at a brickyard Photograph: Danish Siddiqui/Reuters

Rio de Janeiro, Brazil: Dogs in fancy dress take part in the animal carnival parade at Copacabana beach Photograph: Christophe Simon/AFP/Getty Images

Los Angeles, USA: Lady Gaga stands in the audience during the 54th annual Grammy awards Photograph: Matt Sayles/AP

Jacmel, Haiti: A reveller paints his face before joining the parade during carnival celebrations Photograph: Dieu Nalio Chery/AP

San Sebastián, Spain: A duck walks across a frozen pond in a park Photograph: Juan Herrero/EPA

Sattahip, Thailand: A US marine drinks cobra blood offered by a Thai navy instructor during a jungle survival training course Photograph: Narong Sangnak/EPA

New York, USA: A model has dye rinsed out of his hair into a bin backstage during New York fashion week Photograph: Carlo Allegri/Reuters

Cairo, Egypt: A woman plays with her son inside an anti-Syrian regime protest tent in Tahrir Square Photograph: Muhammed Muheisen/AP

Athens, Greece: Riot police try to extinguish flames from a petrol bomb thrown by protesters outside the Greek parliament Photograph: Thanassis Stavrakis/AP

Munich, Germany: People enjoy the winter sun on a frozen lake in the Olympic park Photograph: Matthias Schrader/AP

St Moritz, Switzerland: First placed Fadri Casty, pulled by Bergonzi, competes in the Skijoring Grand Prix Credit Suisse race on the frozen lake Photograph: Arno Balzarini/AP

Paris, France: Marine Le Pen, president of French far-right party Front National (FN), holds a press conference in front of the French Economic, Social and Environmental Council Photograph: Martin Bureau/AFP/Getty Images