In pictures: Anja Niedringhaus' works

image captionInternationally acclaimed Associated Press photographer Anja Niedringhaus, 48, has been shot dead by a policeman in Afghanistan. Here are some of the works of the German-born reporter, who had covered numerous war zones and also major sports events.
image captionAn Iraqi girl covers her ears as a US Marine patrols the Iraqi town of Falluja. Niedringhaus was part of an AP team that won the 2005 Pulitzer Prize in breaking news photography for coverage of the Iraq war.
image captionThis photo of giant poster of Afghan President Hamid Karzai on the parade ground in Kabul made it to the front cover of the New York Time on 4 April 2014 - just hours before Niedringhaus was killed.
image captionA Canadian soldier chases a chicken seconds before he and his units are attacked by grenades in Salavat, Afghanistan.
image captionA Libyan government aircraft is shot down over Benghazi. Niedringhaus has been described by her colleagues as "spirited, intrepid and fearless" photographer.
image captionA Libyan rebel fighter urges people to leave as Col Muammar Gaddafi's forces start shelling the frontline near the town of Bin Jawaad.
image captionA Pakistani soldier stands atop a mountain as he patrols the Pakistan-Afghan border in Dir province. "Anja was a vibrant, dynamic journalist well-loved for her insightful photographs, her warm heart and joy for life," said AP executive editor Kathleen Carroll.
image captionNiedringhaus also travelled the globe covering major sports events. Here, Britain's Kelly Holmes is seen reacting after winning gold in the 800m race at the Athens Olympics in 2004.
image captionSouth Africa's Oscar Pistorius prepares to compete in a men's 400m race at the London Olympics in 2012.