According to reports, the father, Kalainesan, and his seven-year-old son, Pradeep, were traveling to Koonimedu village on the Kottakuppam East Coast Road in Villupuram district on Thursday when the incident happened.
A video of the incident went viral on social media where the two were riding on a two-wheeler with bundles of firecrackers, which burst into flames, killing both of them on the spot.
The CCTV footage shows Kalainesan riding the scooter, while his son Pradeep sat on a bundle of firecrackers kept on the front side of the two-wheeler.
The video further shows the speeding vehicle exploding, killing the boy and his father on the spot.
Three others who were passing by received minor injuries stated reports.