Updated

Officials have demolished the underground bunker where a boy was held hostage for six days in southeast Alabama.

Dale County District Attorney Kirke Adams said Tuesday that authorities dismantled Jimmy Lee Dykes' shelter after it was no longer needed by investigators.

The shelter was located on the edge of Dyke's 1.5-acre lot in rural Midland City. Adams says it posed a biological risk. FBI agents shot and killed Dykes inside to end the standoff earlier this month.

Adams says the bunker wasn't difficult to remove since it was mostly made of wood. It was roughly the size of a large walk-in closet.

Authorities say the 65-year-old Dykes shot and killed a school bus driver before snatching the boy and holding him underground.

The boy is now 6.