Pathanamthitta: Police have arrested BJP activists who violated prohibitory orders at Nilakkal on Sunday. Eight BJP activists under state secretary V K Sajeevan were arrested. Police tightened security in Pampa and Nilakkal after receiving information about this. The activists bearing irumudikettu arrived in two cars for the protests. The activist were not willing to follow the regulations detailed by the police during inspection, which led to the arrest. Police have conducted vehicle check at regions including Ilavungal.