Two people including a woman and her 10-year-old son were killed when a truck crushed their motorbike they were riding in Sanghar on Sunday morning, reported 24NewsHD TV channel.
The accident happened near the Cotton Factory area on Khipro-Mirpurkhas Road in which a man was also injured.
The bike riders were belonged to the Hindu Bheel community.
The truck driver fled from the scene after the fatal accident.
Bike-riders hit by car
Two men were killed when their motorbike was hit a speedy car at Galliana in Gojar Khan on Sunday.
Both the bike-riders died on the spot and they bodies were shifted to THQ hospital.
Reporter Malik Irfan Younis