File photo shows that United Nations special envoy to Afghanistan Kai Eide (C) arrives amidst tight security at the Electoral Complaints Commission in Kabul on August 24, 2009.
The top UN envoy in Afghanistan Kai Eide Sunday said there was "widespread fraud" in the Aug. 20 Afghan election, but he did not give more detail.
Kai Eide made the remarks here in a press conference attended by the ambassadors from U.S., Britain and France.
He said that it is true that significant fraud have been discovered in some polling stations in the south and southeastern areas.
"The extent of that fraud is now being determined," he added.
The sitting President Hamid Karzai has secured about 54 percent of vote in the preliminary result while his main challenger Abdullah Abdullah, who bagged 28 percent of vote, appeared not to accept the outcome unless the transparency is ensured.
Afghanistan election body has finished recounting samples of suspicious ballot boxes on Friday and the final results are expected to be announced on Oct. 15.