24 hours in pictures

New Delhi, India: A man lifts his daughter through the window of an overcrowded train at a railway station. Migrant workers from Bihar, one of the country's poorer states, are travelling home in large numbers for Chhath Puja, a significant festival for people in the region, dedicated to the worship of the Sun god Photograph: Kevin Frayer/AP

Pittsburgh, US: People watch fireworks from their rooms in the Wyndham hotel along Point State Park during Light Up Night. The 52nd annual event marks the official start to the holiday season Photograph: Stephanie Strasburg/AP

Freetown, Sierra Leone: A girl watches voters at a polling station during the presidential elections. Sierra Leoneans hope the poll will propel the small west African state into an era of prosperity based on mining and oil after a difficult decade of recovery from civil war Photograph: Joe Penney/Reuters

Barcelona, Spain: A man walks past separatist banners stating: 'Don't gamble, vote independence'. Recent polls show more than half of Catalans want to break away from Spain, the highest level in history Photograph: Albert Gea/Reuters

Ladakh, India: A Buddhist monk of the Drukpa Tibetan Buddhist lineage yawns as he sits with other monks during a break at the annual festival of sacred dances at the Hemis monastery, near Leh Photograph: Kevin Frayer/AP

Gaza Strip, Gaza: A woman cries at the funeral of her brother after he was killed by an Israeli airstrike Photograph: Ali Ali/EPA

Kabul, Afghanistan: Birds face off before a partridge fight (kowk jangi). The Kowk is prized by its owners who lavish great care on them and keep them in domed wicker cages. The owners fight the partridges on Friday mornings in short bouts as the birds are too valuable to allow them to be seriously harmed. Spectators gamble on the result Photograph: Daniel Berehulak/Getty Images

Bogotá, Colombia: A tattoo artists works on his customer during the third International Tattoo Convention in Medellín, Antioquia department Photograph: Raul Arboleda/AFP/Getty Images

Niger delta, Nigeria: Children swim in front of a flooded house in the town of Yenagoa. Nigeria estimates that the now slowly receding floods have killed 363 people and affected another 7.7 million, of whom 2.1 million have been displaced from their homes Photograph: Pius Utomi Ekpei/AFP/Getty Images

Luxor, Egypt: A young Coptic pilgrim gets her wrist tattooed during a ceremony at Mar Girgis monastery. Egypt's Christian minority, about 10% of the population of more than 80 million, has long complained of discrimination. Christians fear matters are reaching a crisis point after President Hosni Mubarak was ousted two years ago and Islamists have risen to power Photograph: Bernat Armangue/AP

New York, US: A surfer walks along a beach in the Rockaway neighbourhood where a large section of the iconic boardwalk was washed away by superstorm Sandy Photograph: Spencer Platt/Getty Images

Athens, Greece: A boy throws a flower at a monument in the courtyard of the National Technical University of Athens. It honours students killed in the 1973 pro-democracy uprising Photograph: Petros Giannakouris/AP

Lausanne, Switzerland: Trees are surrounded by heavy fog hanging above Lake Geneva at sunset Photograph: Fabrice Coffrini/AFP/Getty Images

Aleppo, Syria: Soldiers take aim at rebels during a battle in the al-Liramun neighbourhood. Troops pounded rebel lines near Damascus and in the northern city of Aleppo, while fighting raged around the north-east town of Ras al-Ain on the border with Turkey Photograph: AFP/Getty Images