All the ten accused have been arrested yesterday, police said.
The woman, hailing from Gurumangalam village near here in Cuddalore district, was speaking to her relative on the banks of the river when the gang members pounced on them.
The gang attacked the woman's relative when he tried to protect her and later raped her, police said.
Based on the woman's complaint, police registered a case and admitted her to Mundiampakkam Medical College hospital.
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