24 hours in pictures

Kolkata, India: People help carry a patient out of a nursing home after it caught fire Photograph: Bikas Das/AP

Quetta, Pakistan: Smoke and flames rise past residents standing along the wall of a truck terminal where fuel tankers were set ablaze. Militants fired a rocket-propelled grenade at trucks loaded with fuel and supplies for Nato troops in Afghanistan Photograph: Naseer Ahmed/Reuters

New Delhi, India: Police officers detain an exiled Tibetan during a protest rally Photograph: Manish Swarup/AP

St Petersburg, Russia: Police officers detain a protester during a rally against alleged vote rigging Photograph: Anatoly Maltsev/EPA

Brussels, Belgium: Danish prime minister Helle Thorning-Schmidt addresses journalists as she arrives for an informal dinner at an EU summit Photograph: John Thys/AFP/Getty Images

London, UK: The Duchess of Cornwall, Patron of Wicked Young Writers Award, meets some of the finalists and the show's cast members during a ceremony at the Apollo Victoria Theatre Photograph: Yui Mok/PA

Rome, Italy: Pope Benedict XVI arrives in his Popemobile at the Spanish Steps for the celebration of the Immaculate Conception Photograph: Franco Origlia/Getty Images

London, UK: A woman cycles through Borough Market Photograph: Luke Macgregor/Reuters

Duisburg, Germany: Geese in their night time enclosure Photograph: Ina Fassbender/Reuters

Glasgow, UK: Two women brave the weather as severe winds hit parts of the country Photograph: Jeff J Mitchell/Getty Images

Shanghai, China: Passengers are evacuated from a Cathay Pacific Boeing 747 aircraft which aborted its take-off from Shanghai Pudong airport after smoke was detected while the plane was preparing for take-off Photograph: AFP/Getty Images

Hulunbeier, China: A woman wrapped up against the cold Photograph: Quirky China News/Rex Features

Cleveland, US: Seagulls sun themselves on a corrugated metal roof at the Port of Cleveland Photograph: Amy Sancetta/AP

Kosovo: Trees covered in snow at Germia National Park Photograph: Armend Nimani/AFP/Getty Images