Six persons were killed and four others critically injured when a truck rolled down from a height of about 53 feet in Mayurbhanj district on Thursday morning.
The truck laden with iron scrap, which was on its way to Baleswar from Rairangpur, rolled down near Dwarsali ghat at Bangiriposi on Kolkata-Mumbai NH 6, about 45 km from here, police said.
The truck was completely damaged and disintegrated after it fell.
The driver had apparently lost control over the vehicle while negotiating a sharp bend, the police said.
While six persons, including the truck driver, died on the spot, the four injured were admitted to the District Headquarters Hospital here in critical conditions.
Four of the dead persons were identified as scrap dealers of Baleswar town, the police added.