Week in pictures: 22-28 August 2015

Our selection of some of the best news photographs taken around the world this week.
Syrian migrants try to enter Hungary at the border with Serbia
Image captionSyrian migrants cross under a razor wire fence as they try to enter Hungary at the border with Serbia, near Roszke.
Rescuers recover bodies of drowned migrants in Zuwara, Libya.
Image captionRescuers recover bodies of drowned migrants who were trapped in the bottom of a boat in Zuwara, Libya.
Chinese day trader plays cards
Image captionA Chinese trader plays cards as he watches a stock ticker in Beijing - during a week of dramatic falls on markets in Asia and around the world.
Crime scene of WDBJ TV murders, Virginia, USA
Image captionPolice investigate the murders of TV reporter Alison Parker and her cameraman Adam Ward, at Moneta, Virginia, USA. They were shot during a live broadcast by their former colleague Vester Lee Flanagan, who later shot himself.
French President Francois Hollande with Americans Alek Skarlatos, Jane D Hartley, Spencer Stone and Anthony Sadler
Image captionFrench President Francois Hollande poses with US National Guardsman Alek Skarlatos, US Ambassador to France Jane D Hartley, US Airman Spencer Stone and student Anthony Sadler, at the Elysee Palace in Paris. The three American men were awarded the French Legion d'honneur for restraining a heavily armed man on a train.
Lebanese activists sprayed by water cannon in Beirut, Lebanon
Image captionLebanese activists shout anti-government slogans as they are sprayed by riot police using water cannon in Beirut. The demonstrators are angry that piles of rubbish are mounting in streets across the city without collection.
Cameraman drives into runner Usain Bolt
Image captionA TV cameraman drives into sprinter Usain Bolt of Jamaica, after the men's 200m final at the 2015 IAAF World Championships in Beijing. Bolt won the race.
Chinese athlete Li Jinzhe at the 2015 IAAF World Championships in Beijing
Image captionChina's Li Jinzhe in the qualifying round of the men's long jump, at the 2015 IAAF World Championships in Beijing.
Naga sadhu - Hindu holy man - at Trimbakeshwar, India
Image captionThe face of a Naga sadhu, or Hindu holy man, during Kumbh Mela festival at Trimbakeshwar, India. Hindus believe taking a dip in the waters of a holy river during the festival will cleanse them of their sins.
Annual
Image captionTwo men in a puddle of squashed tomatoes during the annual "tomatina" fiesta in the village of Bunol, near Valencia, Spain. The streets are awash with red pulp as thousands of people pelt each other with ripe tomatoes.
Humboldt penguins being weighed at London Zoo, UK
Image captionAnchovies are used to encourage Humboldt penguins to step on to weighing scales at London Zoo, UK. The zoo is carrying out its annual weigh-in of all of its animals.