Islamabad: Owner of private currency exchange company and his gun man have been gunned down in federal capital .Islamabad Currency Exchange Association (ICEA) has announced to observe strike.The dual murder incident took place in a private Tower opposite to PIMS in the jurisdiction of Margalla Police.. In firing incident owner of company Shahzad Satti and his gun man Kawish were murdered.The incident of firing took place inside the office following exchange of bitter words. The accused fled the scene.Margalla police shifted the bodies to PIMS..ICEA has announced to observe strike blaming that administration of private tower is involved in the murder case. Firing incident took place on money transaction related matter while police wants to give it some other angle.