One of the inmates assaulted a prison warden, while others pushed their way through the prison facility.

A security source told The PUNCH that four inmates were shot and killed while trying a jailbreak during morning sanitation.

The source said: “Four inmates were killed. A warder was also injured. The incident happened during morning sanitation on Tuesday.

“They had planned to escape and one of them attacked the warder, while others forced their way through the only entrance, but the security men repelled them and in the process, four inmates were shot.

“They eventually died. And others that wanted to escape ran back when those that led the attempt were shot.”

As of the time of filing this report, that Osun State Comptroller of Corrections, Lanre Amoran, had visited the facility for an on-the-spot assessment.