The Central Reserve Police Force (CRPF) has intensified its attack against the Naxals in the Bastar region of Chhattisgarh, following an attack on its camp on Sunday night. The naxalites had attacked a CRPF's 31st Battallion camp at Cherpal in Dantewada district on Sunday but the latter successfully repulsed the militants after a seven-hour gun-battle.