President Nicolás Maduro has won Venezuela's presidential election, according to partial results announced by the electoral council.br The head of the National Electoral Council (CNE), Elvis Amoroso - who is a close ally of Mr Maduro - said that with 80 of ballots counted, President Maduro had 51 of the vote, compared to 44 for his main rival.br The Venezuelan opposition dismissed the CNE's announcement as fraudulent and promised to challenge the result.br It said its candidate, Edmundo González, had won with 70 of the votes and insisted he was the rightful president-elect.