SAN FRANCISCO (CBS SF) – Police in San Francisco said bones recently found in a residential planter in the Alamo Square neighborhood belonged to a child.

According to police, the bones belonged to a child between 8 and 14 years old. The child’s identity has not been determined. Bones were also found from an unknown second individual.

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The bones were found when a resident living on the 1300 block of McAllister Street was gardening last month.

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“When you first find bones – you have to essentially see where they came from – it doesn’t automatically mean that the person was murdered or anything like that,” Officer Grace Gatpandan of the San Francisco Police Department told KPIX 5. “They could’ve came (sic) from another location, brought here from another state – it’s unclear – so there’s a lot of different avenues where this investigation can go.”

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At this point, it’s unclear how long the bones had been there.