Ten over ground workers (OGWs) of terror groups were arrested on Wednesday during a massive crackdown aimed at dismantling the terror ecosystem in Kathua district of Jammu and Kashmir, police said. The sweeping operation at 17 locations was jointly conducted by police and CRPF in general area of Malhar, Bani and upper reaches of Billawar besides border areas of Kana chack, Haria chack, Spral Pain and Chack Wajir Lahbju to uncover networks providing logistic and financial aid to terrorist groups, a police spokesperson said.