A campaign poster of Benoit Hamon, French Socialist party 2017 presidential candidate, is seen during a rally, as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, is greeted by supporters as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, is greeted by supporters as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, attends a rally, as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, poses with supporters during a rally, as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, attends a rally in Saint-Louis, as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, attends a rally in Saint-Louis, as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Louis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, is greeted by supporters upon his arrival at Rolland Garros Airport, as he campaigns on France's Indian Ocean island of La Reunion, in Saint-Denis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, is greeted by supporters upon his arrival at Rolland Garros Airport, as he campaigns on France's Indian Ocean island of La Reunion, in Saint-Denis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, leaves after his arrival at Rolland Garros Airport, as he campaigns on France's Indian Ocean island of La Reunion, in Saint-Denis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Benoit Hamon, French Socialist party 2017 presidential candidate, is greeted by supporters upon his arrival at Rolland Garros Airport, as he campaigns on the France's Indian Ocean island of La Reunion, in Saint-Denis, Reunion April 1, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate speaks to journalists as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate poses for a selfie as he visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

A woman holds a copy of Macron's program as Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

A copy of his program is seen amongst vegetables as Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits the Chaudron market in Saint-Denis as he campaigns on the French Indian Ocean island of the Reunion, March 26, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate speaks with a young boy at a meeting at Saint Denis as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate speaks at a meeting at Saint Denis as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate speaks at a meeting at Saint Denis as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate speaks at a meeting at Saint Denis as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate arrives at Saint Denis airport as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate listens to an orchestra after visiting a market in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits a market in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits a merket in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits a market in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits a sugar cane plantation in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate speaks with journalists as he visits a sugar cane plantation in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate arrives at Saint Denis airport as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits a sugar cane plantation in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Emmanuel Macron, head of the political movement En Marche ! (Onwards !) and 2017 presidential candidate visits a sugar cane plantation in Saint Leu as he campaigns on the French Indian Ocean island of the Reunion, March 25, 2017. REUTERS/Laurent Capmas 

Supporters gather to attend a political rally by Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon(C), former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, is surrounded by security as he attends a political rally in Saint-Pierre while he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas TPX IMAGES OF THE DAY 

Supporters react as Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

A supporter reacts as Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

A supporter reacts as Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Supporters react as Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

A supporter uses a smart phone as Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, speaks at a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Supporters stand near a banner for Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, as they attend a political rally in Saint-Pierre as Fillon campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas 

Francois Fillon, former French prime minister, member of The Republicans political party and 2017 presidential candidate of the French centre-right, attends a political rally in Saint-Pierre as he campaigns on the French Indian Ocean island of the Reunion, February 12, 2017. REUTERS/Laurent Capmas