A 12-year-old boy died after he was knocked down by a car on National Highway-46 near Perumalpettai in the Vaniyambadi town police station limit on Thursday.

According to police, Velan, a resident of Mariamman Koil Street, Nethaji Nagar (South), Vaniyambadi, was studying in class V at a government school at Gandhi Nagar.

At 12 p.m., he was crossing the NH-46 near Perumalpettai bridge when a car plying from Bangalore to Chennai hit him. The boy succumbed to injuries.

His mother Suguna (34) lodged a complaint with the Vaniyambadi town police. Police said Velan had left home for school in the morning and they did not know whether he had gone to school and why he was found outside.

Police have registered a case and arrested the car driver, Manikandan of Kerala.