Emma Roberts, 16, of unincorporated Antioch.

Authorities continue to search for the missing 16-year-old girl from Antioch, who is not believed to be with her male friend anymore, police said.

Emma Roberts, 16, of the 26100 block of West Spring Grove Road in unincorporated Antioch, was last seen Wednesday after dismissal time at her school in Salem, Wisconsin, where she attends the Central High School District of Westosha, according to the Lake County Sheriff’s Office.

Detectives believe she was given a ride home from school, packed a bag and left before her family arrived home.

Lake County Sheriff Spokesman Sgt. Christopher Covelli said that the sheriff’s office initially believed Emma may have been with a male friend named Jake. Detectives interviewed Jake and do not believe she is with him.

Emma has ties to the Wisconsin area and could be in Kenosha or Racine counties, the Lake County Sheriff’s Office said. Authorities in Wisconsin have been notified to look for her, Covelli said.

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Emma was last seen wearing an army green jacket but authorities believe this may have changed because she packed clothes. She is 5-foot-7, 145 pounds, has blonde hair and blue eyes, and has a guitar tattoo on her left shoulder with the word “Dad” written near it.

The Lake County Sheriff’s Office said the girl left home without a cellphone because her parents previously took it away from her.

Anyone who has information on the girl’s disappearance or has seen her is asked to call 911.