NEW YORK (CBSNewYork/AP) — The leading candidate in a special election for a Queens City Council seat has increased his margin to 80 votes.

The New York City Board of Elections on Wednesday said it had counted 641 absentee and affidavit ballots in the 31st City Council District 11.

When the polls closed last week, the race had been too close to call, with Donovan Richards leading Pesach Osina by 26 votes. After the board’s count on Wednesday, Richards’ lead had increased to 80 votes.

The board said the results would be officially certified next week.

The seat is now vacant. The special election was held to replace Councilman James Sanders, who was elected to the New York State Senate.

The winner must defend the seat in the general election in November.

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