Authorities said that a group of prisoners invaded a wing of the facility populated by members of a rival gang shortly after midday, sparking the riot that led to the deadly fire, according to the G1 news portal.
Up to 200 inmates were reportedly involved in the unrest at Bedford prison which started at around 5 p.m. local time.
A Riot took place after rumors swirled of a smoking ban to take place within the prison.
A prison riot in Bahia, Brazil has left 8 people dead. The prison riot was reportedly triggered by inter-gang tensions
Two Pakistani inmates were killed and 21 others injured at Korydallos Prison, southwest of capital Athens.
Guards opened fire on inmates at the Najayo jail in San Cristobal after the prison was attacked by armed men
A Brazil prison riot that saw more than a dozen guards held hostage, ended after a number of conditions were met, including the transfer of some inmates
Five people were killed and at least 25 injured in the riot that lasted 45 hours. Two guards who were taken hostage have been released and inmates transferred to other prisons.
Brazilian police confirm at least four inmates have died, two of which were beheaded, during a prison riot in Cascavel, southern Brazil.
Some 30 political dissidents were taken into solitary confinement it what was called a 'brutal' crackdown.
A 63-year-old prisoner died at the jail earlier on Thursday, a security source said.