PHILADELPHIA (WPVI) -- Police are asking for the public's help in locating a missing mom and her newborn baby last seen in the city's Holmesburg neighborhood.

According to Philadelphia police, 17-year-old Ryleigh Gnoski and her 7-week-old baby, Armoni Gnoski, were last seen Tuesday on the 8700 block of Marsden Street.

Authorities say Ryleigh is known to frequent the 2600 block of South Bouvier Street in South Philadelphia.

Police and family members are asking for the public's help to help locate the pair.

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