Authorities identified the 7-year-old girl who died after she was stabbed several times while walking on a sidewalk in Chicago on Saturday.

Cook County Medical Examiner identified the victim as Edi Mari Hernandez Chacon hours after she was pronounced dead at a local hospital.

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The incident occurred around 11:55 a.m. on Saturday on South Cottage Grove Avenue near East 86th Street in the city's East Chatham neighborhood. The girl was walking down the sidewalk when a woman who did not know her approached her and stabbed her in the back multiple times, police said.

In surveillance video obtained by NBC Chicago, witnesses could be seen rushing over to what is assumed to be the area where the young girl was attacked.

Surveillance video obtained by NBC Chicago shows people rush to help a 7-year-old girl who was stabbed to death and detain the suspect.

Several witnesses could also be seen running away from the scene to chase down the suspect. Police said the bystanders detained the woman, and she was later taken into custody after receiving treatment at a local hospital for injuries she sustained while being detained.

It was not immediately known what, if anything, prompted the attack.

No additional information was immediately available.

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