Former Belgian Prime Minister Yves Leterme and European Trade Commissioner Karel De Gucht (R) arrive at the state funeral of former Belgian Prime Minister Jean-Luc Dehaene at Onze-Lieve-Vrouw van Goede Hoop church in Vilvoorde May 23, 2014. Dehaene, a major figure in European politics throughout the 1990s and a renowned advocate of deeper European integration, died on May 15 aged 73, his party said. REUTERS/Francois Lenoir (BELGIUM - Tags: OBITUARY POLITICS) 

Members of the Belgian Royal family and Prime Minister Elio Di Rupo pose with former prime ministers during a reception celebrating King Albert's 20th anniversary of reign at Laeken Royal Castle in Brussels July 10, 2013. Belgium's King Albert II said last week he would abdicate on July 21 and leave the throne to his son, saying at 79 he felt too old to carry out his duties properly. Herman Van Rompuy (L-R), Jean-Luc Dehaene, Elio Di Rupo, Queen Paola, King Albert II, Crown Prince Philippe, Princess Mathilde, Guy Verhofstadt and Yves Leterme. REUTERS/Francois Lenoir (BELGIUM - Tags: ROYALS ENTERTAINMENT POLITICS) 

Deputy Secretary-General of the OECD Yves Leterme holds a news conference after meeting European Commissioner for Employment Laszlo Andor (not pictured) at the Commission's Headquarters in Brussels June 4, 2012. REUTERS/Sebastien Pirlet (BELGIUM - Tags: POLITICS) 

Deputy Secretary-General of the OECD Yves Leterme holds a news conference after meeting European Commissioner for Employment Laszlo Andor (not pictured) at the Commission's Headquarters in Brussels June 4, 2012. REUTERS/Sebastien Pirlet (BELGIUM - Tags: POLITICS) 

Deputy Secretary-General of the OECD Yves Leterme (L) and European Commissioner for Employment, Social Affairs and Inclusion Laszlo Andor hold a news conference after meeting at the Commission's Headquarters in Brussels June 4, 2012. REUTERS/Sebastien Pirlet (BELGIUM - Tags: POLITICS) 

Deputy Secretary-General of the OECD Yves Leterme (L) and European Commissioner for Employment, Social Affairs and Inclusion Laszlo Andor hold a news conference after a meeting at the Commission's Headquarters in Brussels June 4, 2012. REUTERS/Sebastien Pirlet (BELGIUM - Tags: POLITICS) 

Yves Leterme, OECD Deputy Secretary-General gestures during a news conference on a report of the Organisation for Economic Co-operation and Development (OECD) on the integration of migrants and their children into the Swiss employment market, in Bern February 14, 2012. REUTERS/Michael Buholzer (SWITZERLAND - Tags: POLITICS HEADSHOT BUSINESS EMPLOYMENT) 

Yves Leterme, OECD Deputy Secretary-General (2nd R) gestures during a news conference on a report of the Organisation for Economic Co-operation and Development (OECD) on the integration of migrants and their children into the Swiss employment market, in Bern February 14, 2012. The picture shows: (L to R) Mario Gattiker, Director of the Federal Office of Migration, Thomas Liebig, expert for migration at the OECD and Serge Gaillard, head of the State Secretariat for Economic Affairs (SECO). REUTERS/Michael Buholzer (SWITZERLAND - Tags: POLITICS BUSINESS EMPLOYMENT) 

Yves Leterme, OECD Deputy Secretary-General (C) gestures during a news conference on a report of the Organisation for Economic Co-operation and Development (OECD) on the integration of migrants and their children into the Swiss employment market, in Bern February 14, 2012. The picture shows: (L to R) Mario Gattiker, Director of the Federal Office of Migration, Thomas Liebig, expert for migration at the OECD and Serge Gaillard, head of the State Secretariat for Economic Affairs (SECO). REUTERS/Michael Buholzer (SWITZERLAND - Tags: POLITICS BUSINESS EMPLOYMENT) 

Belgium's former Prime Minister Yves Leterme (C) is applauded during a plenary session at the Belgian Parliament in Brussels December 7, 2011. Six Belgian parties formed a new coalition almost 18 months after a parliamentary election. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's new Prime Minister Elio Di Rupo (L) shakes hands with outgoing Prime Minister Yves Leterme (R) at his cabinet in Brussels December 6 , 2011. A coalition of six Belgian parties is set to be formed almost 18 months after a parliamentary election. REUTERS/POOL/ PHOTO CHANCELLERIE DU PREMIER-KANSELARIJ VAN DE PREMIER DIRK WAEM (BELGIUM - Tags: POLITICS)

Belgium's Prime Minister Yves Leterme (L) talks with Justice Minister Stefaan De Clerck (R) at the end of a news conference following a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Budget State Secretary Melchior Wathelet (L), Budget Minister Guy Vanhengel (2nd L), Prime Minister Yves Leterme (2nd R) and Justice Minister Stefaan De Clerck (R)address a news conference at the end of a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Prime Minister Yves Leterme scratches his head as he addresses a news conference at the end of a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS HEADSHOT) 

Belgium's Prime Minister Yves Leterme addresses a news conference at the end of a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS HEADSHOT) 

Belgium's Budget Minister Guy Vanhengel (L) and Prime Minister Yves Leterme (R) address a news conference at the end of a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Budget Minister Guy Vanhengel (L) and Prime Minister Yves Leterme (R) address a news conference at the end of a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) HEADSHOT) 

Belgium's Prime Minister Yves Leterme addresses a news conference at the end of a cabinet meeting in Brussels November 28, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS HEADSHOT) 

Belgium's Prime Minister Yves Leterme poses with Ivory Coast's President Alassane Ouattara (L) before their meeting in Brussels November 24, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

Belgium's Prime Minister Yves Leterme shakes hands with Ivory Coast's President Alassane Ouattara (L) before their meeting in Brussels November 24, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS) 

Belgian Prime Minister Yves Leterme (2ndR), Foreign Affairs Minister Steven Vanackere (L), Development and Cooperation Minister Olivier Chastel (2ndL) and Finance Minister Didier Reynders (R) wait for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgian Prime Minister Yves Leterme waits for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS HEADSHOT) 

Belgian Prime Minister Yves Leterme (2nd R), Foreign Affairs Minister Steven Vanackere (L), Development and Cooperation Minister Olivier Chastel (2ndL) and Finance Minister Didier Reynders (R) wait for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgian Prime Minister Yves Leterme (L) and Finance Minister Didier Reynders (R) wait for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgian Prime Minister Yves Leterme waits for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS HEADSHOT) 

Belgian Prime Minister Yves Leterme (C) waits for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgian Prime Minister Yves Leterme (C), Foreign Affairs Minister Steven Vanackere (L) and Finance Minister Didier Reynders (R) wait for Ivory Coast President Alassane Ouattara ahead of a meeting in Brussels November 24, 2011. The interim government of Leterme has said that it is planning an emergency budget for 2012 based on the 2011 budget. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Prime Minister Yves Leterme addresses the royal family during a ceremony in honour of King's Day, at the Belgian Parliament in Brussels November 15, 2011. REUTERS/Thierry Roge (BELGIUM - Tags: ROYALS POLITICS ENTERTAINMENT) 

Belgium's Finance Minister Didier Reynders (L) and Christian Democrat party (CDH) former President Joelle Milquet arrive for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Finance Minister Didier Reynders arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Flemish Socialist Party (sp.a) President Bruno Tobback (R) and Francophone Liberal Party (MR) President Charles Michel answer reporters' questions as they arrive for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Flemish liberal party (Open VLD) member Vincent Van Quickenborne arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Francophone Socialist party (PS) member Laurette Onkelinx arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Francophone Socialist party (PS) member Paul Magnette arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Flemish Socialist Party (sp.a) President Bruno Tobback (L), Francophone Liberal Party (MR) President Charles Michel (C) and Christian Democrat party (CDH) President Benoit Lutgen (R) answer reporters' questions as they arrive for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Francophone Liberal Party (MR) President Charles Michel arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's French-speaking Christian Democrat party (CDH) President Benoit Lutgen arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Flemish Christian Democrat party (CD&V) member Servais Verherstraeten (L) and President Wouter Beke (C) arrive with Belgium's Finance Minister Didier Reynders (R) for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Flemish Christian Democrat party (CD&V) President Wouter Beke arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's flemish-speaking Socialists (SP-A) member Johan Vande Lanotte arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's French-speaking Christian Democrat party (CDH) former President Joelle Milquet arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Finance Minister Didier Reynders arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Flemish Socialist Party (sp.a) President Bruno Tobback arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's caretaker Prime Minister Yves Leterme arrives at a Te Deum mass on the occasion of King's Day at the Saint-Gudule cathedral in Brussels November 15, 2011. REUTERS/Francois Lenoir (BELGIUM - Tags: RELIGION POLITICS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo waves as he arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo waves as he arrives for budget talks with political parties' leaders in Brussels November 15, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Thierry Roge (BELGIUM - Tags: POLITICS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo waves as he arrives for budget talks with political parties' leaders in Brussels November 14, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Flemish Socialist Party (sp.a) President Bruno Tobback talks to the media as he arrives for budget talks with political parties' leaders in Brussels November 14, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo waves as he arrives for budget talks with political parties' leaders in Brussels November 14, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo arrives for budget talks with political parties' leaders in Brussels November 14, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Francophone Socialist party (PS) President Elio Di Rupo arrives for budget talks with political parties' leaders in Brussels November 14, 2011. Belgium's caretaker administration is ready to take over the task of preparing next year's budget from squabbling political parties who are seeking to form a government, the country's prime minister Yves Leterme said in a newspaper interview published on Monday. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Prime Minister Yves Leterme waves as he leaves a euro zone leaders summit in Brussels October 27, 2011. Euro zone leaders said on Thursday they had reached agreement on a comprehensive package of measures to tackle the euro zone's sovereign debt crisis. REUTERS/Francois Lenoir (BELGIUM - Tags: POLITICS BUSINESS) 

Belgium's Prime Minister Yves Leterme (L) talks with European Council President Herman Van Rompuy at an European Union summit in Brussels, October 26, 2011. The European Union's leaders are meeting to work out a comprehensive deal to resolve the euro zone debt crisis and find a way to give the region's bailout fund greater firepower. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS)

(L to R) IMF President Christine Lagarde, Belgium's Prime Minister Yves Leterme, European Commission President Jose Manuel Barroso, Germany's Chancellor Angela Merkel and Ireland's Prime Minister Enda Kenny attend a euro zone summit in Brussels October 23, 2011. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS)

(L to R) Belgium's Prime Minister Yves Leterme, Germany's Chancellor Angela Merkel, Finland's Prime Minister Jyrki Katainen, European Central Bank President Jean-Claude Trichet and Netherlands' Prime Minister Mark Rutte talk together at the start of a euro zone summit in Brussels October 23, 2011. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS)

(L to R) Belgium's Prime Minister Yves Leterme, Greece's Prime Minister George Papandreou, Germany's Chancellor Angela Merkel, Finland's Prime Minister Jyrki Katainen, European Central Bank President Jean-Claude Trichet and Netherlands' Prime Minister Mark Rutte attend a euro zone summit in Brussels October 23, 2011. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS)

(L to R) Belgium's Prime Minister Yves Leterme, Germany's Chancellor Angela Merkel, Finland's Prime Minister Jyrki Katainen, Luxembourg's Prime Minister Jean-Claude Juncker, European Central Bank President Jean-Claude Trichet and Netherlands' Prime Minister Mark Rutte talk together at the start of a euro zone summit in Brussels October 23, 2011. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS)

(L to R) Greece's Prime Minister George Papandreou, European Commission President Jose Manuel Barroso, Belgium's Prime Minister Yves Leterme, Germany's Chancellor Angela Merkel, Finland's Prime Minister Jyrki Katainen, European Central Bank President Jean-Claude Trichet and Netherlands' Prime Minister Mark Rutte talk together at the start of a euro zone summit in Brussels October 23, 2011. REUTERS/Yves Herman (BELGIUM - Tags: POLITICS BUSINESS)