"The match has begun," French political veteran Alain Juppe said after his rival and ex-president Nicolas Sarkozy announced his comeback.
Former foreign minister Abdullah Abdullah believes the title of President of Afghanistan has been stolen from him twice.
Former Brazilian president Luiz Inacio Lula da Silva rallied behind successor Dilma Rousseff as she battles to stay in power at next month's election.
Hillary Clinton joked about her potential 2016 White House bid, telling Democratic supporters she was "thinking about it."
President of Kazakhstan Nursultan Nazarbayev urged Shanghai Cooperation Organization countries to solve their boarder issues.
Prime Minister John Key predicted a "close" and "hard fought" New Zealand general election next month.
Philippine President Benigno Aquino has said he may try to change the constitution and serve a second term in office.
Kazakhstan President Nursultan Nazarbayev has sent a telegram to Recep Tayyip Erdogan congratulating him on his election as Turkey’s new President.
Colombian President Juan Manuel Santos, who was re-elected Sunday, is seen as his country's best hope for a potential peace deal with Marxist rebels.
Afghan presidential candidate Abdullah Abdullah accused senior election officials of serious fraud, opening a dispute over the vote count that could threaten a smooth transition of power.
Thousands of Haitians took to the streets of the capital Port-au-Prince Thursday to demand that President Michel Martelly step down and new elections be held.
Bashar al-Assad has been re-elected Syria's president with 88.7 percent of the vote after a poll labelled a farce by rebels fighting to overthrow him, whose outcome was never in doubt.
Opposition protesters stormed the presidency in Abkhazia overnight in what the leader of the Georgian breakaway region called a coup attempt, Russian news agencies said.
A video showing Colombia's main opposition presidential candidate receiving apparently confidential information from a hacker jolted the campaign Sunday.
Voters headed to the polls Monday in the final phase of India's marathon election, with hardliner Narendra Modi expected to lead his Hindu nationalists to victory after 10 years of Congress party rule.
Lithuanians began voting Sunday to elect their president, with incumbent "Iron Lady" Dalia Grybauskaite a shoo-in as fears in the EU Baltic state soar over a resurgent Russia.
Clashes in Algeria's restive Kabylie region between security forces and youths opposed to Thursday's presidential election wounded around 70 people, local sources said.
Boxer turned opposition leader Vitali Klitschko dropped out of Ukraine's snap presidential polls to help the candidacy of a charismatic tycoon who made a fortune selling chocolates and backs closer Western ties.
Slovaks began voting Saturday to choose their president in a fractious and tight run-off between Prime Minister Robert Fico and political newcomer and philanthropist, Andrej Kiska.
China and France are expected to sign scores of business deals on the first full day of President Xi Jinping's state visit Wednesday after he was wined and dined in the gastronomic capital of Lyon.