German Chancellor Angela Merkel wears a 'smart' jacket next to a group of students during a Girls' Day event held at the Federal Chancellery in Berlin, Germany. The jacket displays the temperature and reacts to pickpocketing.

Kaya Nietfeld/epa

German Chancellor Angela Merkel wears a ‘smart’ jacket next to a group of students during a Girls’ Day event held at the Federal Chancellery in Berlin, Germany. The jacket displays the temperature and reacts to pickpocketing.

Mitsubishi Motors President Tetsuro Aikawa reacts during a press conference announcing the embattled carmaker's earnings for the fiscal year 2015, in Tokyo

Franck Robichon/epa

Mitsubishi Motors President Tetsuro Aikawa reacts during a press conference announcing the embattled carmaker’s earnings for the fiscal year 2015, in Tokyo

Visitors look at a Boyue SUV by Chinese automaker Geely at the Beijing International Automotive Exhibition in Beijing, Wednesday, April 27, 2016. The auto show, which opened to the public on Wednesday, continues through May 4. (AP Photo/Mark Schiefelbein)

Mark Schiefelbein/AP

Visitors look at a Boyue SUV by Chinese automaker Geely at the Beijing International Automotive Exhibition in Beijing 

Members of the ancient Samaritan community attend the Passover pilgrimage to the religion's holiest site on the top Mount Gerizim near the West Bank town of Nablus, early Wednesday, April 27, 2016. Samaritans descended from the ancient Israelite tribes of Menashe and Efraim but broke away from mainstream Judaism 2,800 years ago. Today, the remaining 700 Samaritans live in the Palestinian city of Nablus in the West Bank and the Israeli seaside town of Holon, south of Tel Aviv. (AP Photo/Majdi Mohammed)

Majdi Mohammed/AP

Members of the ancient Samaritan community attend the Passover pilgrimage to the religion’s holiest site on the top Mount Gerizim near the West Bank town of Nablus

Protest against a tobacco exhibition in Jakarta...epa05279237 Indonesian students clash with police officers during an anti-tobacco protest outside the venue of the World Tobacco Process and Machinery Exhibition Asia 2016 in Jakarta, Indonesia, 27 April 2016. At least a hundred students staged a rally demanding the government to stop the exhibition, saying that it promotes smoking among youth and children. Indonesia ranks third in the world for the number of smokers after China and India, according to the World Health Organization.  EPA/MAST IRHAM

Mast Irham/EPA

Indonesian students clash with police officers during an anti-tobacco protest outside the venue of the World Tobacco Process and Machinery Exhibition Asia 2016 in Jakarta

First light of new laser on Adaptive Optics Facility at Paranal Observatory in Chile

Bluebells are lit by the rising sun in Micheldever Wood in Hampshire.

Andrew Matthews/PA

Bluebells are lit by the rising sun in Micheldever Wood in Hampshire.

Donald Trump, president and chief executive of Trump Organization Inc. and 2016 Republican presidential candidate, center, speaks during a campaign event in New York

John Taggart/Bloomberg

Flowers are laid and candles are lit on the steps of St Georges Hall in Liverpool,north west England in remembrance of the 96 Liverpool fans who died in the Hillsborough football stadium disaster.

Paul Ellis/Getty Images

Flowers are laid and candles are lit on the steps of St Georges Hall in Liverpool,north west England in remembrance of the 96 Liverpool fans who died in the Hillsborough football stadium disaster.

US Presidential primary voting in Maryland...epa05278084 'I voted' stickers are handed out to voters after they cast their ballots during the Maryland presidential primary election at Skyline Elementary School in Suitland, Maryland, USA, 26 April 2016. Citizens of Maryland, Pennsylvania, Delaware, Connecticut and Rhode Island are casting their votes in state primary elections today.  EPA/SHAWN THEW

Shawn Thew/EPA

‘I voted’ stickers are handed out to voters after they cast their ballots during the Maryland presidential primary election at Skyline Elementary School in Suitland, Maryland 

A boy stands inside a building used as sleeping quarters at camp for refugees and migrants in Schisto, near Athens...A boy stands inside a building used as sleeping quarters at camp for refugees and migrants in Schisto, near Athens, Greece, April 26, 2016. REUTERS/Alkis Konstantinidis GREECE OUT. NO COMMERCIAL OR EDITORIAL SALES IN GREECE

Alkis Konstantinidis/Reuters

A boy stands inside a building used as sleeping quarters at camp for refugees and migrants in Schisto, near Athens, Greece

Dewdrops on plant...epa05277673 Dewdrops are seen on a leaf in Mihalygerge, 130 kms northeast from Budapest, Hungary, 26 April 2016.  EPA/Peter Komka HUNGARY OUT

Peter Komka/EPA

Dew drops are seen on a leaf in Mihalygerge, Hungary 

The picket line outside King's College Hospital in London, as thousands of junior doctors begun the first all-out strike in the history of the NHS after the Health Secretary said the Government would not be "blackmailed" into dropping its manifesto pledge for a seven-day health service. PRESS ASSOCIATION Photo. Picture date: Tuesday April 26, 2016. The impasse between the Government and the British Medical Association (BMA) prompted the industrial action, from 8am to 5pm on Tuesday and again on Wednesday. See PA story HEALTH Doctors.

David Wilcock/PA Wire

The picket line today outside King’s College Hospital in London, as thousands of junior doctors begun the first all-out strike in the history of the NHS after the Health Secretary said the Government would not be “blackmailed” into dropping its manifesto pledge for a seven-day health service. The impasse between the Government and the British Medical Association (BMA) prompted the industrial action, from 8am to 5pm on Tuesday and again on Wednesday.

Water is sprayed on a tiger to keep it cool by at the Nehru Zoological park in Hyderabad, India, Tuesday, April 26, 2016. Weeks of sweltering temperatures have caused scores of deaths across India and the met department has warned that any relief from monsoon rains was still likely weeks away. (AP Photo /Mahesh Kumar A.)

Mahesh Kumar A./AP

Water is sprayed on a tiger to keep it cool by at the Nehru Zoological park in Hyderabad, India 

Syrians help a wounded youth following a...Syrians help a wounded youth following an air strike on the Fardous rebel held neighbourhood of the northern Syrian city of Aleppo on April 26, 2016.  / AFP PHOTO / AMEER ALHALBIAMEER ALHALBI/AFP/Getty Images

Ameer Alhal/AFP/Getty

Syrians help a wounded youth following an air strike on the Fardous rebel held neighbourhood of the northern Syrian city of Aleppo

Spring weather Apr 26th 2016...Rough sea at Seaham Harbour in County Durham, as snow and high winds sweep across the North East. PRESS ASSOCIATION Photo. Picture date: Tuesday April 26, 2016. Despite the approach of May, forecasters say that summer will feel a long way off. Photo credit should read: Owen Humphreys/PA Wire

Owen Humphreys/PA

Rough sea at Seaham Harbour in County Durham, as snow and high winds sweep across the North East of England

A model presents a creation from the Ronaldo Fraga collection during Sao Paulo Fashion Week show in Sao Paulo...A model presents a creation from the Ronaldo Fraga collection during Sao Paulo Fashion Week show in Sao Paulo, Brazil,

Paulo Whitaker/Reuters

A model presents a creation from the Ronaldo Fraga collection during Sao Paulo Fashion Week show in Sao Paulo, Brazil 

His Excellency the Rt Hon Sir Lockwood Smith (left), High Commissioner for New Zealand, and His Excellency the Hon Alexander Downer AC,High Commissioner for Australia, laying wreaths at the Tomb of the Unknown Warrior during the annual Service of Commemoration and Thanksgiving to Mark ANZAC Day at Westminster Abbey, London. PRESS ASSOCIATION Photo. Picture date: Monday April 25, 2016. Anzac Day has been commemorated in the capital since the first anniversary of the Anzac landings at Gallipoli in 1916, when King George V attended a service at Westminster Abbey.

Yui Mok/PA Wire

His Excellency the Rt Hon Sir Lockwood Smith (left), High Commissioner for New Zealand, and His Excellency the Hon Alexander Downer AC, High Commissioner for Australia, laying wreaths at the Tomb of the Unknown Warrior during the annual Service of Commemoration and Thanksgiving to Mark ANZAC Day at Westminster Abbey, London today.

Kyrgyz military personnel show their skills during an exercises at a military base, 10 km outside Bishkek, Kyrgyzstan

Igor Kovalenko/EPA

Kyrgyz military personnel show their skills during an exercises at a military base, near Bishkek, Kyrgyzstan

Indian workers cheer during the opening of the Mondelez International facility in Sri City in the Indian state of Andhra Pradesh on 25 April, 2016. The facility will produce approximately 60,000 tons of Cadbury Dairy Milk chocolate annually.

Arun Sankar/AFP/Getty Images

Indian workers cheer during the opening of the Mondelez International facility in Sri City in the Indian state of Andhra Pradesh. The facility will produce approximately 60,000 tons of Cadbury Dairy Milk chocolate annually.