Lawyers for state Sen. Dean Skelos said in a new court filing that senior officials in the U.S. attorney's office in Manhattan should be required to submit affidavits about their role in leaks of information about the corruption case against the Nassau County Republican.

Skelos has asked U.S. District Judge Kimba Wood to hold hearings into alleged grand jury leaks before his November trial, and argued in his latest papers that denials in affidavits from five prosecutors, four FBI agents and two investigators weren't enough.

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Since U.S. Attorney Preet Bharara himself publicized the case, the lawyers said, Wood should require a "broader" range of denials covering "senior officials at the U.S. attorney's office and FBI."

Skelos defense lawyers say any grand jury violations could lead to suppression of evidence or dismissal of counts, one of several pretrial motions they have filed. Prosecutors say no matters before the grand jury were leaked by government attorneys.

Former Senate Majority Leader Skelos is accused of using his power to do favors for a developer, an environmental technology company and a malpractice insurer in return for jobs and fees for his son, Adam, who is also charged.