Sussex Police have launched an investigation after a man from Crawley had acid poured over him.
The incident happened last night in Lyon Close, Maidenbower.
The victim was taken to the Royal Sussex County Hospital in Brighton where he was treated to acid burns to his hands and face.
Paramedics, the air ambulance and the police attended the incident.
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Julian Cadman, who is thought to have dual British-Australian nationality, became separated from his mother who was injured in the attack.
Aisling Creevey has the latest weather forecast for the west of ITV Meridian region.
Aisling Creevey has the latest weather forecast for the east of the ITV Meridian region.