Atlanta police are searching for two missing children who they believe were kidnapped by their babysitter. An Amber Alert has now been issued.

Zola Cooper, 4, and her 11-month-old sister Norah Cooper were last seen with their babysitter around 6 p.m. Saturday in the area of 365 James P. Brawley Drive NW

Police say the babysitter, identified as Lakesha Brown, is driving a 2009 White Ford F350 with Alabama license tag IC087Y4.

This is a breaking news story. The latest developments on Channel 2 Action News This Morning from 4:30 a.m. to 9 a.m.

Zola is 3 feet, 9 inches tall and weighs 42 pounds. She was last seen wearing a multicolored dress. Norah weighs 28 pounds and is missing two index and middle fingers on her right hand. She was last seen wearing a pink onesie.

Channel 2 Action News reached out to Atlanta police for the babysitter's name and a description. Police responded saying it is an "very active investigation" and "additional information" will be released once they get it.

Anyone who sees the sisters or has information are urged to contact APD's special victims unit at 404-546-4260 or Crimestoppers Atlanta at 404-577-8477.

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