The attack was allegedly carried out in an act of vengeance following death of a baby of one of the accused soon after delivery, looked after by the nurse.
Manikandan and his friend Vijayakumar were arrested last night for throwing acid at the 50-year old nurse of a government hospital here and a two-wheeler rider who gave lift to her when she was returning home on Dec 30, they said.
According to police, Manikandan's wife had given birth to a baby recently, but the infant died within hours.