In Jharkhand , the naxals have blown up a block building of Peer Tand block some 32 Kilometers away from the district headquarters of Girdih. The building was blown with the use of dynamite late night. They have also burnt few trucks on the GT road. Police have reached the sport and launched manhunt. It may be recalled that yesterday two naxals were arrested including one hardcore having a reward of 2 lakh rupees on his head by the Giridh police.