Florida authorities are asking for help in their search for a missing 12-year-old Tampa girl.

A Florida Missing Child Alert has been issued for Larisa Olivera-Valenzuela.

She was last seen in the area of Key Biscayne Drive and Antigua Lane.

Larisa is described as 5-foot-5 and 125 pounds with black hair and brown eyes.

“Due to an ongoing investigation, this case has been upgraded to a Missing Child Alert,” the Florida Department of Law Enforcement wrote.

If you see Larisa, you’re asked to contact the Hillsborough County Sheriff’s Office at 813-247-8200 or call 911.