The incident reportedly occurred while the miners were returning from site at about 8:00 pm on Friday.
The District Police Commander, ASP Ernest Agyekum, confirmed the incident.
According to him, two persons and a motor rider died on the spot.
The bodies, he said, have been deposited at the Dunkwa On – Offin government hospital morgue awaiting autopsy.
The police, he noted, have also commenced investigation with the culprits to face the law.