12-15 armed ultras, clad in black uniforms, stormed the place with kerosene and asked the workers to leave.
Reinforcement was rushed to both the places and the injured personnel were brought to Bijapur district hospital.
CRPF DG said that anti-Naxal operations in all the states were being conducted keeping in mind the new motto.
The National Human Rights Commission has asked for a report from the Kerala police on the arrests.
The incident occurred when a joint contingent of CRPF and district force was carrying out an anti-Naxal operation in Awapalli police station.
The national flag was hoisted on the premises of a school run by an NGO.
He said, “There is no time to surrender now. That train has left the station. If you want to get in, run and try.”
Security forces killed three Naxals in a gun-battle in Hazaribagh district of Jharkhand on Monday.
They were members of Kalimela and Baipariguda Dalam of CPI(M) and active in naxal activities for 5-8 years.
Manjhi said he had been misunderstood on many occasions but added that he would continue to speak his mind and follow his heart.
The jawans accidentally stepped on a pressure bomb planted by the extremists, leading it to explode.
Sangita was allegedly killed by her fiancé Manoj Sadmek, a forest guard, with help from his four accomplices.
The extremists have killed 5,024 civilians in the last 10 years, a majority of them tribals.
Fourteen CRPF personnel were killed on December 1 in a Naxal ambush in Sukma.
Naxals are sending young boys to work at stone quarries in Chennai and Bangalore, and getting them to pilfer gelatine, say police