KARACHI: In wake of anarchy in Karachi, the law Enforcement agencies have started semi curfew type search operation in Orangi town while 4 persons including worker of a political party have been killed and more than 150 suspected people have been arrested in this connection.After anarchic situation in different areas of Karachi the Law Enforcement agencies have started semi curfew search operation in Orangi town. In first phase the Law Enforcement agencies conducted door-to-door search operation in Faqir colony, Ummer Baloch, Muhalla Musqati colony and other areas and have arrested 150 suspected persons.On the other side, despite ban on pillion riding incidents of firings resulting in killings is continuing and has claimed four more lives. According to police, some unknown miscreants opened indiscriminate firing on Naseem Bhayya worker of a political party in Lines area killing him on the spot.A 23-year-old youth Umair has been gunned down in Nazimabad. The four bike riders killed a person in Gulshan Iqbal town block-4.Unknown people gunned down the security guard in Gulberg town, federal B-block area block-18. The dead body has been shifted to Abbasi Shaheed hospital – Onlinenews