Police say victim was threatened in the recent past and are investigating if the attack was sectarian in nature.
The move targets Enterprise Services and will not affect Internet Services, according to the directives issued.
Rally to denounce Islamic State extremists was marred by police violence.
U.S. secretary of state says Tehran will not return to negotiating table if Washington scuppers current deal.
Aid organization says rise in violence has significantly hampered its ability to disburse supplies.
Pentagon statement claims Abu Khalil al-Sudani was the extremist group’s head of suicide operations.