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Philadelphia (WPHL)- The Philadelphia Police Department needs the public’s assistance locating a missing girl last seen on Monday.

Police say 16-year-old I’layah Cobb was last seen leaving her residence on the 2500 block of N. Bouvier Street at 11:23 pm.

READ MORE: South Detectives Division searching for missing man

Cobb was last seen wearing a navy-blue jacket, grey sweatpants and carrying a bookbag, police say.

Police urge the public to contact the Central Detectives at 215-686-3093 or call 911 if you have information on the whereabouts of Cobb.