Raipur, Sep 3 - At least 10 labourers were killed when a tractor trolley in which they were travelling turned turtle in Chhattisgarh's Korba district late Thursday night, police said.

The accident took place at Katghora area in the district, some 200 km north of capital Raipur.

Officials at the police headquarters here said the driver of the tractor trolley, that was full of daily wagers, lost control of the vehicle while crossing a small bridge and it turned turtle, killing 10 workers.

Six other workers were seriously injured and were taken to a government hospital.