Picture desk live: the day's best news images

Sir David Attenborough looks rather fetching with a south-east Asian Great Mormon Butterfly on his nose, as he launched the Big Butterfly count at London Zoo in Regent's Park. The Butterfly Conservation's citizen science project aims to chart how common garden butterflies are faring this summer Photograph: John Stillwell/PA

David Cameron shakes hands with Melinda Gates, wife of Microsoft Corp co-founder Bill Gates, at the London summit on family planning. In an interview with the Guardian she has predicted women in Africa and Asia will soon ignore church teaching on birth control Photograph: Suzanne Plunkett/Reuters

Flowers are seen on a railing as a police support officer stands guard at the Belgravia home of American-born Eva Rausing, who was found dead there yesterday. A man was arrested in connection with the case, police said, adding that an autopsy had failed to uncover a formal cause of death Photograph: Sang Tan/AP

Little Matthew Morley from Derbyshire, sits among delegates at the National Farmer's Union 'Dairy Summit' in Westminster. Around 2,000 farmers gathered to demonstrate against further plans to cut the price of milk Photograph: Dominic Lipinski/PA

A woman is arrested by riot police after scuffles broke out during the demonstration by Spanish coal miners in Madrid Photograph: Denis Doyle/Getty Images

A South Sudanese migrant worker is comforted by friends after two of her five children boarded a bus leaving to Ben Gurion airport enroute to South Sudan from Tel Aviv. Israel is expelling an additional 150 South Sudanese as part of its campaign to reduce the number of African migrants who have slipped illegally into the country Photograph: Ariel Schalit/AP

Demonstrators are surrounded by riot police during clashes following the arrival of the Spanish coal miners in Madrid in protest at industry subsidy cuts Photograph: Dominique Faget/AFP/Getty Images

Here's a picture that seems to speak volumes ... Spain's economy minister, Luis De Guindos, listens to the prime minister speak during a session at the Spanish parliament, in Madrid. Spain has announced an austerity package that includes tax hikes and spending cuts a day after winning approval from eurozone partners for a bailout of Spain's banks against the backdrop of the huge miners' demonstration outside Photograph: Andres Kudacki/AP

The Tour de France leader, Bradley Wiggins, (the clue's in the yellow jersey) rides with Great Britain's Mark Cavendish, left, at the beginning of the tenth stage of the cycling race starting in Mâcon and finishing in Bellegarde-sur-Valserine. Go Bradley! Photograph: Lionel Bonaventure/AFP/Getty Images

Anne Marie Morris, MP for Newton Abbot got herself into a bit of a red-faced rage today during prime minister's questions in the House of Commons. The prime minister responded: "Very good to see the, er, honourable lady on such feisty form...." Watch the video Photograph: PA/PA

Chelsea and England footballer Ashley Cole arrives to attend the trial of his team-mate John Terry at Westminster magistrates court in London. John Terry told the court today that he was 'very angry and upset' when he thought an opponent had accused him of making racist remarks Photograph: Carl Court/AFP/Getty Images

This astonishing photograph shows those known as administrative segregation prisoners (a custody strategy for dangerous prisoners) taking part in a group therapy session at San Quentin state prison in California. San Quentin prison is California's oldest correctional facility and is home to the state's only gas chamber Photograph: Lucy Nicholson/Reuters

Miners sing as they march along a street after walking for more than 20 days from the northern Asturias and Leon regions on their way to Puerta del Sol, the Spanish capital's most emblematic square in Madrid. The miners are protesting against huge cuts in government subsidies for their industry Photograph: Emilio Morenatti/AP

This flaming sphere formed part of an Elemental Fire Garden display at Stonehenge as part of the London 2012 festival Photograph: Kieran Doherty/Reuters

It makes for a spectacular scene as people lean from balconies to watch the fifth day of the San Fermín festival bull run in Pamplona, northern Spain. The festival is a symbol of Spanish culture that attracts thousands of tourists to watch the bull runs despite condemnation from animal rights groups Photograph: Pedro Armestre/AFP/Getty Images

We've received some heartbreaking pictures of people grieving for loved ones at the memorial centre in Potocari before a mass burial near Srebrenica. The bodies of 520 recently identified victims of the Srebrenica massacre will be buried later on Wednesday, the anniversary of the massacre of 8,000 Muslim men and boys by Bosnian Serb forces – Europe's worst massacre since the second world war Photograph: Dado Ruvic/Reuters

In an image released to Reuters news agency, demonstrators hold opposition flags during a protest against Syria's president, Bashar al-Assad, in Damascus. Images like this are rare because of the risks of moving material from within the oppressive regime Photograph: Shaam News Network/Reuters

The German chancellor, Angela Merkel, visits the command centre of the quake monitoring and tsunami early warning division at the Meteorology and Geophysics Agency in Jakarta. Germany has made a significant scientific and technological contribution to the Indonesian tsunami early warning system following the deadly 2004 tsunami Photograph: Romeo Gacad/AFP/Getty Images

More than 1,000 people have taken part in what seems to be quite an entertaining family planning event in Manila, where they were provided with advice on family planning methods and were given free contraceptives as part of a fair that celebrated the UN's World Population Day Photograph: Erik De Castro/Reuters

This person cuts a lonely figure as he searches for items to recover from the rubbish dump in Petion-Ville, Haiti Photograph: Dieu Nalio Chery/AP