Continuing their violent acts, Maoists set three earth excavators on fire at Darliput village under lamtaput block of Koraput district late on Monday night.
The three machines were completely damaged in the fire, sources said.
Before fleeing the spot, the Red rebels left a poster on behalf of the Srikakulam-Koraput division of the Maoists. They alleged in the poster that the residents of the area are not getting basic facilities while contractors from Bihar are misappropriating lakhs of rupees in the construction works in the region.
In another development, a woman Maoist surrendered before police in Deogarh district on Tuesday.
Sabitri Murmu alias Kuni hailing from Krushnapur village under the Telkoi police limits in Keonjhar district, surrendered before the Deogarh SP, saying that she and other women Maoist cadres were tortured by senior ultras.
She had been working with the Kalinga Nagar division of the Maoists since 2008 and was an aide of Maoist leader Sushil, police sources said.