A six-year-old girl was rushed to Birmingham Children’s Hospital with arm injuries following an attack in Brook Vale, Cannock, Staffordshire at around 12:40pm on Saturday.
A woman suffered an arm injury too but did not need hospital treatment, Staffordshire Police confirmed.
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Officers are continuing their inquiries and urge anyone who witnessed the incident to come forward.
Staffordshire Police said: “If you were in the Brook Vale area around midday on Saturday and saw anything suspicious, please get in touch.”