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The body parts that have been recovered from the lagoon in Chicago’s Garfield Park over the Labor Day weekend belong to an African-American child thought to be between 2 and 3 years old, medical examiners announced on Monday, according to CBS Chicago.

According to the report, authorities recovered the body parts of a child, including a foot, from the park on Saturday. Investigators later found more parts, including the child’s severed head, and a weight that was used to sink the body, according to the report.

Further test results for the decomposed body parts are being processed, according to the Cook County Medical Examiner’s Office. So far, no cause of death has been determined. Police efforts are being concentrated on identifying the small victim, with Superintendent of Police Garry McCarthy saying that he will authorize the use of full resources to find out who was responsible for the gruesome discovery.

Police marine and K-9 units are still searching for the child’s torso. The gender of the child has not yet been determined. There were no reports of missing children in the area, according to the news station.

Read more at CBS Chicago.