Mr Abiri, the editor and publisher of the Weekly Source newspaper who was detained on May 22 after his arraignment at a Federal High court in Abuja, has been released after meeting all his bail conditions on Friday evening.
He is facing trial for alleged links to armed militancy in the Niger Delta.
He was granted bail in June, but he was unable to meet the bail conditions till October 21, when varied the conditions.
The initial bail which had a bond of N100 million had included a condition that Mr Abiri produced a surety within Abuja in like sum.
But Mr Abiri through his lawyer informed the court that he was not able produce a surety in Abuja.
Before now, he has previously been detained by intelligence officers without access to a lawyer or his family for two years.
