According to details, four members of a family were traveling on a motorcycle on National Highway when a speeding pickup hit them near Abdullah Shah Town.
A woman identified as Ashraf Khatoon and her seven-year old son Chhotan Ali were killed on the spot whereas two others Zareena Bibi and Zulfiqar Ali were seriously wounded in the accident.
The wounded were rushed to Civil Hospital in Dera Murad where their condition is said to be critical. The injured have been referred to Larkana for further medical treatment.
Police handed over the dead bodies to relatives of the deceased after completing formalities.
Police has arrested the driver of the pickup and FIR of the incident has been filed.