The inmates of the van were returning to V S Nagar on Tirupur-Kangeyam Road, after purchasing spare parts for their vehicle from here, when the mishap occurred around midnight yesterday, they said.
The injured have been admitted to a private hospital in Tirupur, after providing first aid at Palladam Government hospital, where the bodies were kept for postmortem, they added.
Further investigations are on, police said.
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