HEMET, Calif. -

A 13-year-old girl who apparently ran away from her home in Hemet Sunday remained missing Wednesday, police said.

   Brittany Davis, who lives on South Santa Fe street, was last seen there  about 2 p.m. Sunday, Hemet police said.

   ``Brittany told her mother she was going for a walk and left home with her bicycle, backpack and dog,'' police stated.

   Brittany is white, about 5 feet 5, 200 pounds, with brown hair and green eyes. She was last seen wearing a dark-blue Mickey Mouse T-shirt and blue  jean shorts and carrying a pink-and-brown backpack.

   Her bicycle is a yellow boys' Trek, and the dog is a Chihuahua.

   Brittany's mother described her as immature for her age and said she has run away before, police said. Anyone who has seen Brittany was urged to call  police at (951) 765-2400.