A woman and her six-year-old son were killed and one of their relatives sustained critical injuries when a truck hit the motorcycle by which they were travelling near the Dussehra Padia Chhak under the Angul police station on Thursday.
According to sources, the mishap occurred while a speeding truck coming from the front collided with the motorcycle killing the mother-son duo on the spot.
The injured person was immediately rushed to a nearby hospital by the locals.
On being informed police reached the spot and seized the truck.The cops also launched a manhunt to nab the truck driver, who is absconding after the incident, added sources.