Ghana, the world's second biggest cocoa grower and major gold producer, is mired in its worst economic crisis in decades.

Ghana’s former leader John Dramani Mahama was officially declared the winner of the presidential election on Monday after voters vented anger at the government’s handling of the economy.

Ghana's electoral commission on Monday declared ex-president and main opposition leader John Dramani Mahama winner of Saturday's presidential election with 56.55% of the vote, according to provisional results.

Police in Ghana have arrested more than 100 people - mostly opposition supporters of President-elect John Mahama - over acts of lawlessness.

STORY: JOHN DRAMANI MAHAMA: "I am deeply honored and humbled to receive such an overwhelming endorsement from the Ghanaian people."Ghana's John Dramani Mahama pledged governance reforms and measures to "reset" the nation in a victory speech after winning Saturday's presidential election.

More than 100 persons, predominantly supporters of Ghana’s President-elect John Mahama, have been arrested following post-election violence that has rocked the country. The unrest has included attacks on state institutions,

Ghana's opposition leader John Mahama officially won the country's election on Monday, easily defeating the ruling party candidate after voters punished the government's economic management and high living costs.

Ghana's opposition party candidate, John Mahama, won the presidential election with 56.55% of the vote against the ruling party's candidate, Mahamudu Bawumia. More information with FRANCE 24 correspondent in Accra,