Srinagar: Terror groups in the Valley suffered a major setback as 11 terrorists were gunned down in counter-insurgency operations in three different areas in South Kashmir in which three Army jawans and two civilians were also killed. At a hurriedly called joint press conference of army, police and CRPF, Jammu and Kashmir Police chief S P Vaid said this is one of the biggest counter-offensives in recent times against terror groups operating in the Kashmir Valley.