24 hours in pictures

Rome, Italy: Rescuers approach a boat caught in the arch of Sant'Angelo bridge on the Tiber river Photograph: Alessandro Bianchi/Reuters

Athens, Greece: A riot police officer in action as violent demonstrations continue for a seventh day Photograph: Lefteris Pitarakis/AP

Oslo, Norway: Scarlett Johansson and Michael Caine attend the Nobel peace prize concert Photograph: John McConnico/AP

Kelkheim, Germany: A family house adorned with Christmas decorations Photograph: Ralph Orlowski/Getty Images

London, UK: The city's mayor, Boris Johnson, at a news conference Photograph: Toby Melville/Reuters

Mexico City, Mexico: A pilgrim carries a statue of the Virgin of Guadalupe outside the Basilica Photograph: Miguel Tovar/AP

London, UK: Dancers from the Royal Ballet rehearse The Nutcracker at the Royal Opera House Photograph: Toby Melville/Reuters

Jakarta, Indonesia: A model presents creations by designer Rusli Tjohnardi Photograph: Beawiharta/Reuters

Harbin, China: A mink looks out of an open cage at a mink farm Photograph: Diego Azubel/EPA

Wenchuan County, China: Survivors of the Sichuan earthquake carry cement to rebuild a house at the Yingxiu township Photograph: China Photos/Getty Images

Accra, Ghana: Fishermen work together to haul in a net Photograph: Rebecca Blackwell/AP

Mumbai, India: People form a human chain in front of the Oberoi Trident hotel in a demonstrate against the government for failing to stop last month's terror attack Photograph: Jayanta Shaw/Reuters

Shigatse, China: Tibetan lamas chant sutras during a prayer session at the Tashilhunpo monastery Photograph: China Photos/Getty Images

Frankfurt, Germany: A black rhinoceros at the city's zoo Photograph: Frank May/EPA