CEDAR HILL, Texas -

An Amber Alert has been issued for a girl who was allegedly kidnapped by her mother.

Cedar Hill police said Lisa Brown took her 12-year-old daughter, Sommer, against court orders about 6 p.m. on Thursday.

Somer is black, 5 feet 6 inches tall and 90 pounds with black hair and brown eyes. She was last seen wearing a black tank top and black basketball shorts.

Lisa Brown is black, 43 years old, 5 feet 8 inches tall and 120 pounds with black hair and brown eyes. She was last seen wearing a black blazer and a light green shirt.

The two may be traveling in a gray 2006 Ford Expedition with a temporary Texas license plate.

Anyone with information is asked to call Cedar Hill police at 972-230-5785.