But deputy prosecutor Soufiane Sliti said Grira was still being investigated for corruption.
Grira had been in jail since September 2011 for corruption cases linked to the Ben Ali regime which was overthrown in a popular uprising that year.
The Tunisian League for the Defence of Human Rights group had called for his release in August due to his poor health.
It said at the time that the Mornaguia prison, where Grira was held, does not have the facilities to provide the necessary treatment for his cancer.
In April, the ousted strongman's brother-in-law, Moncef Trabelsi, who had been jailed for fraud, died in custody of a brain tumour.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
