Two Mississauga, Ont., men have been indicted for allegedly helping to run an international procurement network over a five-year period to traffic materials such as aircraft parts and satellite communications equipment to support Pakistan’s nuclear program. Father and son Muhammad Ahsan Wali, 48, and Haji Wali Muhammad Sheikh, 82, are among five men accused of being associated with an alleged front company called Business World, based in Rawalpindi, a city in northern Pakistan, according to the United States Department of Justice. The other three charged include another one of Sheikh’s sons in Pakistan, as well as one man in Hong...