SPRINGFIELD, Tenn. (AP) -- Robertson County Jail officials say two inmates who have been violent have escaped.

Joshua E. Caldwell, who is 29, and Jessie Louis Lobbins, who is 26, escaped from the jail in Springfield at about 4 a.m. CST Wednesday. Both are considered dangerous, according to WSMV-TV in Nashville.

Tips should be phoned to the Robertson County Sheriff's Office at (615) 384-4911.