At one newspaper in Khartoum, journalists said they lost their jobs when their boss got a sudden call from Sudanese intelligence telling him to close down the newspaper.
Two papers have been closed in as many months, and others - even those not aligned with the opposition - are claiming harassment.
Others who have been shut down in the past are comfortably sure it will happen again.
Al Jazeera's Sherine Tadros reports.
Source: Al Jazeera