Bleach was thrown over a woman in an attack in a Sheffield street.
South Yorkshire Police said officers were alerted to a disturbance in Tunwell Avenue, Parson Cross, on Thursday afternoon and found the injured woman.
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Bleach had been thrown over her and she had received 'blows to the face' during the attack, a force spokesman said.
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A man was arrested over the incident.
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Details of whether he was charged have not yet been released.
A South Yorkshire Police spokesman said: "Officers were called to a disturbance on Tunwell Avenue at 1.40pm on Thursday, May 11. On scene, a female had been assaulted by a male, receiving blows to the face.
"Bleach was thrown over the victim.
"A male was arrested."