FOUR people have been rushed to hospital after two youths sprayed a mysterious chemical on them - leaving them red and blistered.
The incident happened at a Co-op in Corby, Northampton, around 2.40pm on Easter Sunday.
The victims, who were shop staff members, started blistering at the mouth as their skin turned red.
They have since been discharged from hospital.
Cops say staff confronted the pair after they were behaving suspiciously inside the store on Welland Vale Road.
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One of the male suspects then produced an unknown substance before spraying it at three women and one man.
He then fled the scene.
Forensic tests are being carried out on the clothing to determine what the noxious substance was.
Northamptonshire Police said detectives are actively seeking the arrest of an identified male youth.
Anyone with information urged to contact the force on 101, quoting incident 233 of 09/04/2023.
