UPDATE: Cahokia Police say the missing teenager returned home safely Monday night.

The previous story is below:

Police in Cahokia, Illinois are looking for a missing teenager.

Mahellia Mitchell, 15, was last seen at her residence on the 500 block of St. Leo Drive on May 12 around 5:30 p.m.
Mitchell has brown hair, brown eyes, slim build, 5’8”, and weighs around 120 pounds.

Mitchell’s mother said she may be in the area of East St. Louis or Washington Park.

Anyone with information should contact the Cahokia Police Department at 618-332-4202.