Mar 6, 3:55 PM EST

Holder declines comment on possible charges against Democratic Sen. Menendez of New Jersey

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WASHINGTON (AP) -- Attorney General Eric Holder is declining to say if he has approved the filing of corruption charges against New Jersey Democratic Sen. Bob Menendez.

Nor is Menendez shedding much light on the situation.

CNN first reported that the Justice Department is preparing to bring criminal corruption charges against the lawmaker centering on his relationship with a Florida ophthalmologist, Dr. Salomon Melgen.

A statement issued by the senator's office Friday says many false allegations have been made about his ties with Melgen, who is a friend and donor to Menendez's campaigns.

The statement from an aide to the senator acknowledges that a public investigation is ongoing and says Menendez can't respond to anonymous allegations.

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