Papers like the Daily News that ran excerpts of US diplomatic cables leaked by the whistleblower website WikiLeaks could be shut down, Zimbabwe's information minister Webster Shamu said Tuesday.
WikiLeaks cables show that Mugabe's top advisers are already planning for a Zimbabwe succession.
The first of five new independent newspapers could start reporting Zimbabwe news this weekend after receiving a government license.
Lead mediator and South African President Thabo Mbeki, however, insisted Tuesday that the talks were going well.
The opposition's pullout from Friday's vote raises pressure on Zimbabwe's leader.
President Robert Mugabe and his top advisers will hold a Politburo meeting on Friday to decide what to do next.