In Bihar, armed Maoists blasted a state-run school building and a control room of a mobile tower at two different places in Gaya district. Police said, over fifty ultras triggered the dynamite blast at Khajurahi village under Banke Bazar police station to blow up the school building late last night. The naxalites also burnt the control room of the BSNL tower at Lakhua village under Imamganj thana. Raids were on in the area to nab the ultras.