PIPESTONE, MN (KELO) -- Minnesota's Bureau of Criminal Apprehension is asking for the public's help in finding four missing girls from Pipestone. Authorities say Alissa, Emeli, Ana and Isavela Guardado did not return home after being dropped off by a school bus Friday afternoon. An alert issued overnight says the girls got into a white, four-door sedan with three other people inside, including a woman believed to be the girls' mother…and may be heading to Sioux Falls. The girls range in ages from 9 to 14 years old. Call the Pipestone County Sheriff's office at 507-825-1100 if you know where they may be.