An inmate tried to escape at about 6 p.m. Monday from the Oahu Community Correctional Center’s Annex 1, but the prison reacted quickly and thwarted the attempt, the Department of Public Safety said in a written statement.

No one left the secured area, Public Safety said.

Annex 1 was placed on lockdown and remained on lockdown at 8 p.m. Monday.

Sheriffs were notified, and the attempted escape is under investigation.

No further details were available Monday night since the matter is under investigation, a Public Safety spokeswoman said.