Germany's mainstream conservatives won the country's national election, while a far-right party surged to become the nation’s second-largest party, according to provisional results following Sunday’s election.

The leader of the far-right Alternative for Germany (AfD), the second largest party in parliament after Sunday's election, said Germany's likely next chancellor would be held hostage by left-wing parties that would seek to loosen tough fiscal rules.

German voters cast their ballots in Sunday’s election , with opposition leader Friedrich Merz claiming victory and Chancellor Olaf Scholz conceding defeat. Alternative for Germany, or AfD, is heading for the strongest showing for a far-right party since World War II.

Germany's conservatives won the national election on Sunday, while the far-right Alternative for Germany came in second, its best ever result.