Police in Milwaukee and Ankeny are seeking public assistance in locating critically missing teens. In Milwaukee, 17-year-old Melissia Harris, last seen on Tuesday morning, and 14-year-old Jariah Giles, along with her 3-day-old daughter Mylehni Childress, are missing. Harris is described as 4'11" with long braided black hair, while Giles is 5'4" with brown hair and a purple hair bonnet. Meanwhile, in Ankeny, authorities are searching for 15-year-old Aubrielle McKeel, last seen at her residence early Friday morning, described as 5'9" with brown hair tipped with red. The Milwaukee Police Department and Polk County Dispatch are asking anyone with information to contact them immediately. Both departments emphasize the 'critical missing' status, indicating the individuals may be particularly vulnerable.