Last month, Strauss-Kahn was held for more than 24 hours by police in Lille and questioned about alleged involvement in the prostitution ring.

CNN: Strauss-Kahn lawyers fight against prostitutes claim

Strauss-Kahn was formally warned Monday that he is under investigation for "aggravated pimping" for accusations that he participated in a prostitution ring, prosecutors said.

CNN: Strauss-Kahn lawyers fight against prostitutes claim

In Bosnia, when employees of a private security firm were accused of running a prostitution ring, they were shipped home and no charges were brought.

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On Monday, he will replace Governor Eliot Spitzer who resigned in disgrace yesterday, two days after he was linked to a prostitution ring as a client.

NPR: Spitzer's Fall Helps Write New Chapter in History

After two days of intense pressure, New York Gov. Eliot Spitzer announced his resignation Wednesday, in the wake of reports linking him with a high-priced prostitution ring.

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Charges against the former IMF chief were later dropped in the United States, but he has been warned he could be investigated in France over accusations he participated in a prostitution ring.

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New York Gov. Eliot Spitzer has resigned, bowing to enormous pressure for him to leave public office in the wake of allegations that he has repeatedly used the services of a high-priced prostitution ring.

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But Strauss-Kahn's political prospects floundered in the wake of a sexual assault charges -- later dropped -- after an incident at a New York hotel, as well as accusations he participated in a prostitution ring in France.

CNN: STORY HIGHLIGHTS

Mr. Bharara's predecessors and others, of course, have had plenty of other ethical misdeeds to occupy their agendas, especially in Albany, where three of the last five state Senate majority leaders, including Mr. Smith, have been indicted, and where a former governor, Eliot Spitzer, was felled by a scandal involving a prostitution ring.

WSJ: Bharara Sees 'Pervasive' Corruption