Puerto Rico's Monica Puig celebrates winning against Denmark's Caroline Wozniacki (not in picture) during day three of the 2016 AEGON International at Devonshire Park, Eastbourne. PRESS ASSOCIATION Photo. Picture date: Wednesday June 22, 2016. See PA story TENNIS Eastbourne. Photo credit should read: Steve Paston/PA Wire. RESTRICTIONS: Editorial use only, No commercial use without prior permission, please contact PA Images for further information: Tel: +44 (0) 115 8447447.

Steve Paston/PA

Puerto Rico’s Monica Puig celebrates winning against Denmark’s Caroline Wozniacki during day three of the 2016 AEGON International at Devonshire Park, Eastbourne 

A "Vote Remain" banner being flown by an aircraft is seen behind the Big Ben clocktower in London, Britain June 22, 2016.  REUTERS/Toby Melville

Toby Melville/Reuters

A “Vote Remain” banner being flown by an aircraft is seen behind Big Ben in London 

epa05383038 Russian President Vladimir Putin (C) lays flowers during a wreath-laying ceremony in the Alexander Garden near the Kremlin wall in Moscow, Russia, 22 June 2016, to mark the 75th anniversary of the Nazi German invasion into the then Soviet Union territory on 22 June 1941.  EPA/GRIGORY DUKOR / POOL

Grigory Dukor/EPA

Russian President Vladimir Putin lays flowers during a wreath-laying ceremony in the Alexander Garden near the Kremlin wall in Moscow to mark the 75th anniversary of the Nazi German invasion into the then Soviet Union territory on 22 June 1941 

British Prime Minister David Cameron (C) addresses pro-EU "Vote Remain" supporters during a rally in Bristol, Britain June 22, 2016. REUTERS/Geoff Caddick/Pool

Geoff Caddick/Reuters

British Prime Minister David Cameron addresses pro-EU “Vote Remain” supporters during a rally in Bristol, England

Jun 21, 2016; Toronto, Ontario, CAN; Toronto Blue Jays center fielder Kevin Pillar (11) catches a fly ball for an out during the fourth inning in a game against the Arizona Diamondbacks  at Rogers Centre. Mandatory Credit: Nick Turchiaro-USA TODAY Sport

Nick Turchiaro/Reuters

Toronto Blue Jays center fielder Kevin Pillar (11) catches a fly ball for an out during the fourth inning in a game against the Arizona Diamondbacks at Rogers Centre, Toronto 

Bishops use umbrellas to protect themselves from the sun as Pope Francis leads his Wednesday general audience in Saint Peter's square at the Vatican June 22, 2016. REUTERS/Stefano Rellandini

Stefano Rellandini/Reuters

Bishops use umbrellas to protect themselves from the sun as Pope Francis leads his Wednesday general audience in Saint Peter’s square at the Vatican 

Lightning flashes during a thunderstorm over Havana, Cuba June 21, 2016. REUTERS/Enrique de la Osa

Enrique de la Osa/Reuters

Lightning flashes during a thunderstorm over Havana, Cuba

epa05382771 Protesters take to the streets in support to the extension of acting President Jovelerme Privert's term, in Port-au-Prince, Haiti, 21 June 2016. The Haitian Parliament has not reached an agreement on the extension of acting President of Haiti Jocelerme Privert's term, which started in February pending a general election in no more than 120 days, nor the appointing of another interim leader, as hundreds of people took the streets supporting Privert.  EPA/BAHARE KHODABANDE

Bahare Khodabande/EPA

Protesters take to the streets in support to the extension of acting President Jovelerme Privert’s term, in Port-au-Prince, Haiti 

British prime minister, David Cameron, talks to the FT from downing street ahead of the EU referendum on Thursday.

Charlie Bibby/FT

David Cameron, British prime minister, photographed during an interview with Lionel Barber, FT editor, and George Parker, FT political editor, at Downing Street on Tuesday ahead of the EU referendum

epa05381363 A Fairfax County police officer outside the headquarters of the National Rifle Association (NRA) beneath a paper heart inscribed with the name of a victim of the Orlando shooting massacre in Fairfax, VA, USA, 21 June 2016. On 20 June, the US Senate failed to pass four gun control amendments in the wake of the largest mass shooting in US history.  EPA/JIM LO SCALZO

Jim Lo Scalzo/EPA

A paper heart inscribed with the name of a victim of the Orlando shooting massacre in Fairfax obscures the face of a Fairfax County police officer outside the headquarters of the National Rifle Association (NRA)

Motorists are pictured behind a glass during rush hours along Ayala Avenue in Manila's financial district Makati, Metro Manila, Philippines June 21, 2016. REUTERS/Erik De Castro

Erik De Castro/Reuters

Motorists during rush hour along Ayala Avenue in Manila’s financial district Makati, Metro Manila, Philippines

Participants perform yoga during World Yoga Day in New Delhi, India, June 21, 2016. REUTERS/Adnan Abidi

Adnan Abidi/Reuters

Participants perform yoga during World Yoga Day in New Delhi, India 

epa05380528 A young aboriginal dancer plays in the sand during the Kenbi Native land claim ceremony, near Darwin, Northern Territory, Australia, 21 June 2016. Australian Prime Minister Malcolm Turnbull is in Darwin to attend the deed handover ceremony settling Australia's oldest Aboriginal land rights claim.  EPA/LUKAS COCH AUSTRALIA AND NEW ZEALAND OUT

Lukas Coch/EPA

A young aboriginal dancer plays in the sand during the Kenbi Native land claim ceremony, near Darwin, Northern Territory, Australia. Australian Prime Minister Malcolm Turnbull is in Darwin to attend the deed handover ceremony settling Australia’s oldest Aboriginal land rights claim 

An emu runs to escape an approaching wildfire as it burns near Potrero, California, U.S. June 20, 2016.        REUTERS/Mike Blake - RTX2H8ZI

Mike Blake/Reuters

An emu runs to escape an approaching wildfire as it burns near Potrero, California 

Revellers celebrate the summer solstice at Stonehenge on Salisbury Plain in southern England, Britain June 21, 2016.   REUTERS/Kieran Doherty  TPX IMAGES OF THE DAY

Kieran Doherty/Reuters

Revellers celebrate the summer solstice at Stonehenge on Salisbury Plain in southern England, Britain

Tribesmen loyal to Houthi rebels hold their weapons during a gathering aimed at mobilizing more fighters into battlefronts in several Yemeni cities, in Sanaa, Yemen, Monday, June 20, 2016. Yemen's civil war has killed some 9,000 people since March 2015 — a third of them civilians, according to the United Nations. (AP Photo/Hani Mohammed)

Hani Mohammed/AP

Tribesmen loyal to Houthi rebels hold their weapons during a gathering aimed at mobilising more fighters into battlefronts in several Yemeni cities, in Sanaa, Yemen 

SAINT-ETIENNE, FRANCE - JUNE 20: England fans sing as they gather ahead of today's England v Slovakia UEFA Euros 2016 Group B match, on June 20, 2016 in Saint-Etienne, France. Following a draw against Russia in Marseille and a win against Wales in Lille, England fans have travelled to the central French city for the final group game against Slovakia.  (Photo by Carl Court/Getty Images)

Carl Court/Getty

England fans sing as they gather ahead of today’s England v Slovakia UEFA Euros 2016 Group B match in Saint-Etienne, France

Rain Heralds The First Day Of British Summer...LONDON, ENGLAND - JUNE 20: Tourists carrying umbrellas take pictures on Westminster Bridge on June 20, 2016 in London, England. The first day of British Summer is marked by rainy weather in London today with more showers forecast for much of the week ahead. (Photo by Jack Taylor/Getty Images)

Jack Taylor/Getty

Tourists carrying umbrellas take pictures on Westminster Bridge in London, England. The first day of British Summer is marked by rainy weather in London today with more showers forecast for much of the week ahead

A devotee performs a stunt during the Jal Yatra procession ahead of the annual Rath Yatra, or chariot procession, which will be held on July 6, in Ahmedabad, India, June 20, 2016.

Amit Dave/Reuters

A devotee performs a stunt during the Jal Yatra procession ahead of the annual Rath Yatra, or chariot procession July 6, in Ahmedabad, India

Indian schoolchildren participate in a yoga session at a school in Chennai on June 20, 2016, on the eve of International Yoga Day. 4001 schoolchildren participated in the demonstration. Yoga, which means union in Sanskrit, is a family of ancient spiritual practices and also a school of spiritual thought from the South East Asian continent, where it remains a vibrant living tradition and is seen as a means of enlightenment. / AFP PHOTO / ARUN SANKARARUN SANKAR/AFP/Getty Images

Arun Sankar/AFP/Getty

Indian schoolchildren participate in a yoga session at a school in Chennai on the eve of International Yoga Day