The act, which forbids public gatherings, was enforced after clashes broke out in Harare between soldiers and civilians who had been protesting the ruling Zanu-PF majority win in parliament.
Live ammunition was used to disperse the crowds, leading to pandemonium in the capital.
Army patrols continued into the night on the streets of Harare.
Zimbabwean police have defended their decision to call for army back up to deal with Wednesday’s violence in Harare, saying they did not have enough officers.
The US Embassy in Harare has urged the military to exercise restraint while diffusing tensions, saying it is deeply concerned about how it dealt with civilians.
Meanwhile, while the opposition MDC Alliance says it is not taking responsibility for the violence while in his address to the nation on Wednesday night, President Emmerson Mnangangwa called on political parties to accept that in any electoral process there are winners and losers.
Blood could be seen on the streets of Zimbabwe after police used live ammunition on civilians and protesters who accused the electoral commission of rigging results. Members of the media have also been assaulted and some had their equipment broken.
A man, who was bleeding from the mouth after being hit, said: “I was beaten by the soldiers, okay. I was hit during the demonstration.”
Protesters here have called for intervention from Southern African Development Community and the African Union, calling this a war between citizens and the Zanu-PF led government.
