Missing teen may have met w/ man from MySpace

Police need the public's help finding Karina Valencia, a 13-year-old Los Angeles girl who has been missing since Saturday, Aug. 14, 2010. (KABC Photo)

LOS ANGELES (KABC) -- Police need your help finding a 13-year-old Los Angeles girl who has been missing since Saturday.

Karina Valencia was last seen at a friend's birthday party at about 6:30 p.m. on the 13800 block of Polk Street in the LAPD's Mission area.

Police said it's possible she met an unknown male on MySpace and left to meet up with him.

Valencia is described as Hispanic, 5 feet, 3 inches tall, about 90 pounds, and was last seen wearing a white Madonna T-shirt and black shorts.

Anyone with information is urged to call the LAPD at (877) LAPD-24-7.