The moderate candidate in Honduras's knife-edge presidential election, Salvador Nasralla, has alleged "unscrupulous individuals" of tampering with the vote count in the Central American nation.
Over a week after the election, the electoral council has still not declared a winner, but the most recent tally suggest that Nasry "Tito" Asfura, the conservative candidate endorsed by US President Donald Trump, holds a slim advantage.
Nasralla, who had been leading earlier on before falling to second place, declared on social media: "This is a robbery."
The left-wing candidate trailing in third, Rixi Moncada, has called for the vote to be invalidated and alleged US interference by Trump in the election.
With 98.77% of votes counted, Asfura had just over forty percent of the vote, leading Nasralla with 39.16% and Moncada with just under twenty percent, according to the National Electoral Council's (CNE) update.
Frustration has been growing over the last week as the counting stalled several times, sometimes for days on end.
Representatives of the CNE attributed the delays to "system glitches."
They have also cautioned that numerous voting records with "inconsistencies" still need to be examined.
The period preceding the election was overshadowed by Trump's support for Nasry "Tito" Asfura.
Just days before the vote, Trump backed the former mayor of Tegucigalpa, saying that "We can work together to fight the drug traffickers."
"We will be very supportive should Asfura win, but we will not be wasting resources, because a wrong Leader can only bring disastrous outcomes," Trump added.
In a unexpected action two days before the election, Trump also granted clemency to jailed former Honduran president Juan Orlando Hernández, who stems from the same party as Asfura.
Hernández was serving a 45-year prison sentence in the US for conspiring to import cocaine.
His pardon and subsequent release has stunned Honduran authorities, who issued an international arrest warrant for Hernández, who remains in the US.
Meanwhile, tension has been rising as the lead in the vote count fluctuated repeatedly.
Trump accused the CNE of "trying to change" the outcome when Nasralla pulled past Asfura early on.
"If they do, there will be hell to pay," the US president said without offering proof of any fraud.
Ever since the Trump-endorsed Asfura took the lead, it has been his two rivals alleging misconduct.
Rixi Moncada's Libre party called for the "complete cancellation" of the elections.
It also urged its supporters to protest publicly against what it called "meddling and pressure of the President of the United States."
Nasralla blamed unnamed "bad actors" for "holding up the counting process."
Under Honduran law, the CNE has until 30 December to announce a victor.
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