Three people including a minor boy were mowed down by a speeding truck, last evening on the Nashik-Pune national highway, police said today.

The incident took place at Gonde phata when the three deceased — Onkar nana nikam (25), Nilesh nana nikam (12) and their sister Archana nana nikam (20), were riding on their scooty, according to the police.

All three died on the spot, police said adding investigations are on to trace the driver