EU Referendum

Dominic Lipinski/PA Wire

Boris Johnson is surrounded by Vote Leave and Vote Remain activists as he speaks in Winchester, as part of his tour on the Vote Leave campaign bus

Displaced Somalis queue for aid in Beledweyne, north of Mogadishu on May 26, 2016. Hundreds of families have been forced out of their homes following flash floods in Beledweyne after torrential rains pounded the area in the last few days.The heavy rains led to the bursting of River Shabelle which caused massive floods in residential areas along the river.  / AFP PHOTO / MOHAMED ABDIWAHABMOHAMED ABDIWAHAB/AFP/Getty Images

Mohamed Abdiwahab/AFP

Displaced Somalis queue for aid in Beledweyne, north of Mogadishu. Hundreds of families have been forced out of their homes following flash floods in Beledweyne after torrential rains pounded the area

Georges Gobet/AFP

George Gobet/AFP

Security forces clash with demonstrators during a protest called by seven labour unions and students against the labour and employment law reform in Bordeaux, France today

Christie's 250th anniversary celebrations

John Stillwell/PA Wire

View on the Stour near Dedham by John Constable is unveiled as the the highlight of Christie’s summer season, which will be sold as part of Christie’s 250th anniversary celebrations

Sorbian Minority Celebrates Corpus Christi

Sean Gallup/Getty Images

Girls wearing traditional Sorbian festive dress arrive back in church to continue mass following the annual Sorbian Corpus Christi procession on Thursday in Crostwitz, Germany

Actors wait on the beach before filming a scene for the film, "Dunkirk," in Dunkirk, northern France, Thursday, May 26, 2016. The film, directed by Christopher Nolan, tells the story of the Dunkirk evacuation, which took place during World War II. (AP Photo/Michel Spingler)

Michel Spingler/AP

Actors wait on the beach before filming a scene for the film, “Dunkirk,” in Dunkirk, northern France. The film, directed by Christopher Nolan, tells the story of the Dunkirk evacuation, which took place during World War II 

Citizens walk on the Corniche, or waterfront promenade along the Beirut coastline, Lebanon, Thursday, May 26, 2016. (AP Photo/Hassan Ammar)

Hassan Ammar/AP

Citizens walk on the Corniche, or waterfront promenade along the Beirut coastline, Lebanon

Lightning from a severe storm fills the sky behind a grain elevator in Belvue, Kan., Wednesday, May 25, 2016. The storm produced tornadoes near Chapman, Kan. (AP Photo/Orlin Wagner)

Orlin Wagner/AP

Lightning from a severe storm fills the sky behind a grain elevator in Belvue, Kansas

TOPSHOT - Iraqi pro-government forces fire an anti-tank cannon near al-Sejar village, north-east of Fallujah, on May 25, 2016, as they take part in a major assault to retake the city from the Islamic State (IS) group. Iraqi forces, consisting of special forces, soldiers, police, paramilitary-fighters and pro-government tribesmen, launched a major assault to retake Fallujah, the scene of deadly battles during the US occupation and one of the toughest targets yet in Baghdad's war on the Islamic State group. / AFP PHOTO / AHMAD AL-RUBAYEAHMAD AL-RUBAYE/AFP/Getty Images

Ahmad Al-Rubaye/AFP/Getty

Iraqi pro-government forces fire an anti-tank cannon near al-Sejar village, north-east of Fallujah as they take part in a major assault to retake the city from the Islamic State group 

Eikei Suzuki (L-R), governor of the Mie Prefecture, European Council President Donald Tusk, Italian Prime Minister Matteo Renzi, German Chancellor Angela Merkel, U.S. President Barack Obama, and Japanese Prime Minister Shinzo Abe, participate in a tree planting ceremony as they visit the Ise Jingu shrine in Ise, Mie Prefecture, Japan May 26, 2016, as part of the G-7 Summit. REUTERS/Carolyn Kaster/Pool

Carolyn Kaster/Pool/Reuters

Eikei Suzuki (L-R), governor of the Mie Prefecture, European Council President Donald Tusk, Italian Prime Minister Matteo Renzi, German Chancellor Angela Merkel, U.S. President Barack Obama, and Japanese Prime Minister Shinzo Abe, participate in a tree planting ceremony as they visit the Ise Jingu shrine in Ise, Japan apart of the G-7 Summit. 

TOPSHOT - US First Lady Michelle Obama cheers during the White House Turnaround Arts Talent Show at the White House May 25, 2016 in Washington, DC.  Students from throughout the US performed at the presidential mansion showcasing the power of arts education.  / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Brendan Smialowski/AFP/Getty

US First Lady Michelle Obama cheers during the White House Turnaround Arts Talent Show at the White House in Washington D.C. Students from throughout the US performed at the presidential mansion showcasing the power of arts education 

Orange County Sheriff's deputies take a protester into custody outside the Anaheim Convention Center where Republican presidential candidate Donald Trump held a rally

Jae C. Hong

Orange County Sheriff’s deputies take a protester into custody outside the Anaheim Convention Center where Republican presidential candidate Donald Trump held a rally

A handout picture released by the Italian Navy shows people jumping out of a boat right before it overturns in Canal of Sicily off the Libyan coast, 25 May 2016. The Italian navy says it has recovered five bodies from the overturned migrant ship.

Italian Navy/EPA

A picture released by the Italian Navy shows people jumping out of a boat right before it overturns in Canal of Sicily off the Libyan coast. The Italian navy says it has recovered five bodies from the overturned migrant ship

Leader of the United Kingdom Independence Party (UKIP), Nigel Farage sits outside a cafe waiting for his coffee during campaigning for votes to leave the European Union on May 25, 2016 near Sheffield, England

Christopher Furlong/Getty Images

Leader of the United Kingdom Independence Party (UKIP), Nigel Farage sits outside a cafe waiting for his coffee during campaigning for votes to leave the European Union today in Chapeltown near Sheffield, England.

French Tunisian Jewish women pray at the Ghriba synagogue in the Tunisian resort island of Djerba during the annual Jewish pilgrimage on May 25, 2016

Fethi Belaidfethi/AFP

French Tunisian Jewish women pray at the Ghriba synagogue in the Tunisian resort island of Djerba during the annual Jewish pilgrimage today. Djerba is home to one of the last Jewish communities in the Arab world 

TOPSHOT - Giraffes wander about at the African Reserve (Réserve Africaine ) of Sigean, southern France on May 24, 2016.    / AFP PHOTO / RAYMOND ROIGRAYMOND ROIG/AFP/Getty Images

Raymond Roid/AFP/Getty

Giraffes wander about at the African Reserve (Réserve Africaine) Sigean, southern France

Britain's Prince Charles, Prince of Wales (L) and his wife Britain's Camilla, Duchess of Cornwall prepare to try produce inside McGettigans Butchers store in Donegal, north-west Ireland, on May 25, 2016. / AFP PHOTO / PAUL FAITHPAUL FAITH/AFP/Getty Images

Paul Faith/AFP/Getty

Britain’s Prince Charles, Prince of Wales and his wife Camilla, Duchess of Cornwall try produce inside McGettigans Butchers store in Donegal, north-west Ireland

House of Representatives and Senate tribunal staff prepare the tally board during the presidential and vice-presidential canvassing of votes at the session hall of House of Representatives in Manila on May 25, 2016.  Incoming Philippine president Rodrigo Duterte has launched a series of obscenity-filled attacks on the Catholic Church, branding local bishops corrupt "sons of whores" who are to be blamed for the nation's fast-growing population. / AFP PHOTO / NOEL CELISNOEL CELIS/AFP/Getty Images

Noel Celis/AFP/Getty

House of Representatives and Senate tribunal staff prepare the tally board during the presidential and vice-presidential canvassing of votes at the session hall of House of Representatives in Manila

A man takes a photo inside the 'Cathedral of Light' at The Royal Botanic Gardens in Sydney, Australia

Brendon Thorne/Getty Images

A man takes a photo inside the ‘Cathedral of Light’ at The Royal Botanic Gardens in Sydney, Australia 

Mount Sinabung volcano spews volcanic ash into the air as seen from the Karo district in North Sumatra province, on May 25, 2016. Indonesian rescuers searched for survivors in scorched villages and devastated farmlands on May 23 after the volcano erupted in clouds of searing ash and gas, killing seven and leaving others fighting life-threatening burns. / AFP PHOTO / GATHA GINTINGGATHA GINTING/AFP/Getty Images

Gatha Ginting/AFP/Getty

Mount Sinabung volcano spews volcanic ash into the air as seen from the Karo district in North Sumatra. Indonesian rescuers searched for survivors in scorched villages and devastated farmlands on Monday after the volcano erupted in clouds of searing ash and gas, killing seven