Update: Haverhill police say they have located the missing girl and she is safe.
Haverhill Police are asking for help in their search for a missing 13-year-old girl.
The department said they're looking for Erin Nichols, a 5-foot-6, 135-pound girl who was last seen in the Bradford section of Haverhill.
Police said she was last seen wearing grey sneakers, grey sweatpants and a navy blue hooded sweatshirt.
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Police said she may possibly be in Amesbury, but said to contact them or your local police department if you have any information.