Sheriff's deputies serving a search warrant at a cockfighting operation near Los Angeles found children as young as four living in squalid sheds and a methamphetamine stash worth $1 million.

Authorities also recovered 100 roosters and several firearms during the raid at the site in Antelope Valley, Calif., the Los Angeles Times reported.

Police arrested six adults on suspicion of narcotics violations.

The seven children, aged between four and 17 years, were turned over to child welfare officials.