Week in pictures: 13-19 February 2016

Our selection of some of the best news photographs taken around the world this week. 
A voter stretches her arms as she and other Ugandans continue to queue to cast their votes at sunset in the capital Kampala, Uganda.Image copyrightBen Curtis / AP
Image captionVoting was extended in some parts of Uganda because of delays in delivering the ballot papers for the presidential election. President Yoweri Museveni is running for a fifth term, after 30 years in power, in a country where more than 75% of the population is below the age of 30.
Britain's Prime Minister David Cameron (centre) talks with European Council President Donald Tusk (left) and Greece's Prime Minister Alexis Tsipras.Image copyrightStephane De Sakutin / AFP
Image captionPrime Minister David Cameron spoke with European Council President Donald Tusk (left) and Greece's Prime Minister Alexis Tsipras at the European Union council in Brussels where he was trying to get a new deal for the UK.
South Korea's Black Eagles aerobatics team.Image copyrightRoslan Rahman / AFP
Image captionSouth Korea's Black Eagles aerobatics team flying KAI T-50B aircraft performed an aerial display during the Singapore Airshow.
Image copyrightAndy Rain / EPA
Image captionKate Winslet posed with her Bafta award which she won in the Best Supporting Actress category for her role in the film Steve Jobs.
A Komondor in the judging ring.Image copyrightTimothy A Clary / AFP
Image captionA Komondor is seen in the judging ring during the second day of competition at the Westminster Kennel Club Annual Dog Show in New York.
Pope Francis is seen praying in front of the image of Our Lady of Guadalupe while celebrating mass at the Basilica of Guadalupe in Mexico City.Image copyrightMax Rossi / Reuters
Image captionPope Francis celebrated mass at the Basilica of the Virgin of Guadalupe during a five day visit to Mexico.
Leia Maria, widow of Former UN Secretary-General Boutros Boutros-Ghali, sits next to his flag-draped coffin at the Saints Peter and Paul Coptic Orthodox church in Abassya district in Cairo.Image copyrightMohamed Abd El Ghany / Reuters
Image captionBoutros Boutros-Ghali, the former UN secretary general, died aged 93. He took office in 1992 at a time of growing influence for the UN following its decisive role in the Gulf War, serving one five-year term. His widow, Leia Maria, is seen here next to his flag-draped coffin at the Saints Peter and Paul Coptic Orthodox church in Cairo.
Firefighters try to extinguish the flames at the scene of a car bomb detonation in Ankara.Image copyrightEPA
Image captionA large explosion in the Turkish capital, Ankara, left at least 28 people dead and more than 60 injured. A vehicle full of explosives was detonated as military buses were passing by, according to the Ankara governor's office.
Archaeologists work to extract the earliest complete Bronze Age wheel found in Britain.Image copyrightJoe Giddens / PA
Image captionA complete Bronze Age wheel, believed to be the largest and earliest of its kind found in the UK, has been unearthed. The 3,000-year-old artefact was found at a site dubbed "Britain's Pompeii", at Must Farm in Cambridgeshire.
Ahmed Ayman rides his donkey.Image copyrightMohamed Abd El Ghany / Reuters
Image captionAhmed Ayman trains his donkey Rihanna to jump obstacles in Mansoura, Egypt. Ahmed and his family say they dream one day he will eventually work professionally with horses.