Authorities in Indiana have issued a Silver Alert for an 11-month-old girl who has been missing since late last week.

According to WANE, Mercedes Lain was last seen with Justin Lee Miller, 37 on Thursday, August 12 in Plymouth. The relationship between Miller and the missing child is not yet known.

Police have reportedly said Mercedes may be in “extreme danger” and require medical attention. It is unclear from the report if the girl has any existing medical conditions.

Mercedes Lain is describes as a white juvenile female with blond hair and blond eyes. She is about 2 feet tall and weighs 19 pounds. Miller is described as an adult white male with brown hairs and blue eyes; 5 feet 8 inches tall and 170 pounds.

Miller is reportedly driving blue 2000 Jeep Grand Cherokee with an Indiana tags BOT126.

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