According to Sahara Reporters, Okah, who is believed to be the mastermind of the 2010 Independence Day bombing in Abuja, scaled the prison walls around 7.30 pm on Friday, June 24 alongside another inmate.

At least 27 people were reported dead in the bombing attack allegedly led by the militant leader.

READ: Prison Service denies death of Independence Day bombing mastermind, Okah

Report said a massive manhunt to rearrest Okah is underway.