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Supporters holding French flags gather for rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon on the place du Trocadero in Paris on March 5, 2017. The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

Supporters holding French flags gather for rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon on the place du Trocadero in Paris on March 5, 2017.
The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON        (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

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French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon (C) delivers a speech on stage as supporters holding French flags gather for rally at the place du Trocadero, in Paris, on March 5, 2017. The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon (C) delivers a speech on stage as supporters holding French flags gather for rally at the place du Trocadero, in Paris, on March 5, 2017.
The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON        (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

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Supporters holding French flags gather for a rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon at the place du Trocadero, in Paris, on March 5, 2017. The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

Supporters holding French flags gather for a rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon at the place du Trocadero, in Paris, on March 5, 2017.
The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON        (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

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Supporters holding French flags gather for a rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon at the place du Trocadero, in Paris, on March 5, 2017. The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

Supporters holding French flags gather for a rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon at the place du Trocadero, in Paris, on March 5, 2017.
The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON        (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

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Supporters holding French flags wait prior a rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon on the place du Trocadero in Paris on March 5, 2017. The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)

Supporters holding French flags wait prior a rally in support of French presidential election candidate for the right-wing Les Republicains (LR) party Francois Fillon on the place du Trocadero in Paris on March 5, 2017.
The former prime minister hopes to keep his election hopes alive with a rally in Paris but he is struggling to regain the initiative after a week in which members of his team deserted him. Their departures followed Fillon's disclosure that he would face charges over claims he gave his British-born wife and two of their children bogus parliamentary jobs. / AFP PHOTO / Jacques DEMARTHON        (Photo credit should read JACQUES DEMARTHON/AFP/Getty Images)