A group of armed Maoists torched road construction equipments at Ganjeipadar village under Pottangi block in Koraput district on Thursday night.
Reports said that about 30 Maoists arrived at the camp of a contractor at the village at about midnight and set fire to a JCB machine, a tractor and a mixture machine.
According to the contractor Pradip Padhi, the Maoists also damaged 15 more equipments used for construction of roads.
The Maoists left two posters and threatened the supervisor to leave the area immediately. The incident took place in the presence of the supervisor, mechanics and local labourers.