13 December 2013
Last updated at 10:40 ET
Protesters and police clashed in the centre of Kiev over the Ukrainian president's decision not to sign the European Union association agreement.
A man carries a wounded girl way from the scene of what activists describe as an air strike in Aleppo by forces loyal to Syrian President Bashar al-Assad. The US and UK have suspended all "non-lethal" support for rebels in northern Syria, but not humanitarian aid.
A requiem mass was held for PC Kirsty Nelis, who died in a police helicopter crash in Glasgow. The service was at St Andrew's Cathedral, a short distance from the scene of the crash, the Clutha pub.
In the village of Pungesti, north-east of Bucharest, Romania, a woman argues with police officers, as villagers and environmental activists protest against exploration for shale gas by US oil company Chevron.
Dense fog caused at least 280 flight cancellations at London's Heathrow Airport. This picture of a fog-shrouded Canary Wharf was taken by a Metropolitan Police helicopter.
Chelsea secured top spot in Champions League Group E, as Demba Ba scored the only goal in a straightforward win at Stamford Bridge. Here John Terry (right) challenges for the ball with Steaua Bucharest forward Federico Piovaccari.
At least five people were killed and hundreds injured in Argentina as criminals took advantage of a police strike to rob shops and homes.
US President Barack Obama (right), UK Prime Minister David Cameron (left), and Denmark's Prime Minister Helle Thorning-Schmidt took an impromptu photograph of themselves at the memorial service for the late South African President Nelson Mandela.
For the next three days people lined the route as a hearse carrying the body of the former South African president made its way to Pretoria's Union Buildings where thousands queued to pay their last respects.
As Christmas approaches, Greece released its latest unemployment figures as signs suggest the country's economy may be turning a corner. The government has just passed a budget forecasting slight growth next year.
Karl Lagerfeld walks the runway after the Chanel Metiers d'Art Show at Fair Park in Dallas, Texas.
The new Tiller Girls dance troupe, who are following in the footsteps of the original dancers founded by John Tiller in Manchester in 1890, rehearse at the Sadler's Wells dance studios in central London for their dance routine with comedian John Bishop on his BBC TV Christmas Show.