So, on the other hand, we have seen unusually high proportion of invalid ballots and also we have sought to compile all those information and solid information from these supporters.

而且，我们也看到有异常高的废票比率，我们也开始样这些支持者收集这些证据、确实的证据。

youdao

The second round was required after a U.N.-backed investigation into the vote found widespread fraud and a third of Mr.Karzai's ballots were declared invalid, reversing his outright victory.

VOA: standard.2009.10.28

But the U.N.-backed Electoral Complaints Commission examined more than 2,500 allegations of fraud including phantom polling stations, ballot-stuffing and police intimidation and declared a third of Mr.Karzai's ballots invalid, reversing his outright victory.

VOA: standard.2009.10.20

Notably, in the Sunday vote, just 12% of voters abstained or cast blank or invalid ballots, generally indicating support for none of the candidates, though in the polls, a far higher 21% rejected all the candidates.

WSJ: Leung Chun-Ying Selected as Hong Kong Chief Executive

The other former mayor running is Xavier Suarez, who defeated Carollo in 1997 but was forced from office four months later in a voting scandal in which absentee ballots in the election were declared invalid.

CNN: New York, other major U.S. cities look for new stewards

Moreover, some 375, 000 Californians have already sent in absentee ballots which may now be invalid.

ECONOMIST: Californian politics