ANKARA?-?A third Turkish Cabinet minister tied to the country's corruption probe has resigned.

Erdogan Bayraktar, the environment and urban planning minister, announced his resignation in an interview with the private NTV television Wednesday.

It came hours after the ministers for the economy and interior affairs both stepped down over the arrests of their sons on bribery charges.

Bayraktar's son was detained as part of the corruption probe but later released from custody.

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Two Turkish ministers resign over corruption probe