Three persons from Anantapur district in Andhra Pradesh were killed when a truck they were travelling in overturned near Hariharapura in Koppa taluk on Friday.
The police are yet to identify the deceased.
A few others in the truck also suffered injuries.
According to the police, the deceased were labourers travelling to their work spot. The driver of the truck lost control over the vehicle while negotiating a curve, leading to the accident.
Hariharapura police are collecting details of the deceased.