BOSTON (CBS) – State and local police are looking into the brutal attack of a woman on the Esplanade early Wednesday morning.

She told investigators she was hit from behind and then pushed into the Charles River.

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She managed to pull herself out of the water and walk up Fairfield Street from the Storrow Drive foot bridge to Boylston Street, where she found help.

“The victim was seen with head injuries walking at the Prudential Mall by security around 3 am and reported to Boston PD,” State Police spokesman David Procopio told WBZ-TV in a statement.

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Procopio said the woman is 61-years old and from “the Greater Boston area.” He added that there was “no evidence of a sexual assault.”

The woman was not able to give investigators a description of her attacker.

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“At this point, there is no evidence to suggest this morning’s assault is connected to a series of prior unsolved attacks on the Esplanade and at Moakley Park in South Boston,” State police said in a statement.