Rebecca Woodard was working undercover for prosecutors when she allegedly had a fling with Spitzer.
Eliot Spitzer announced his marriage was over following reports of his affair with Lis Smith.
Results showed Bill de Blasio within a razor's edge of winning the 40 percent needed to avoid a runoff.
Stringer heads to the general election after a race defined by former Gov. Spitzer's late entry.
Watch as the candidates for the city's top offices make last-minute pushes for votes.
Voting machine problems were reported throughout the city as New Yorkers turned out to the polls.
Stringer closed a 19 point gap, putting him in a statistical dead heat with Spitzer before the primary.
Scott Stringer erased Eliot Spitzer's lead in the latest Quinnipiac poll.
The former governor has opened up a nearly 20-point margin over his Democratic opponent for comptroller.
The Democratic candidates for comptroller again traded barbs over their respective tenures in Albany.
Eliot Spitzer and Scott Stringer quickly went negative in their first debate Friday.
The council speaker leads with 26 percent among likely primary voters, the paper reported.
Ex-governor Eliot Spitzer got the backing of CSEA, the state's largest union for public sector employees.
The proposal, which would allow bigger skyscrapers around Grand Central, now heads to City Planning.
Spitzer's campaign goes after Stringer for phantom "blue ribbom commissions" that were never proposed.
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