COMMERCE, Calif. --
Los Angeles County Sheriff's deputies have raided a warehouse on the 2400 block of Yates Avenue in Commerce, where a sophisticated marijuana operation was discovered. Authorities say several plants along with extensive ventilation, lighting, and irrigation systems were found on Wednesday. Deputies say it's not known how long the cultivation was going on. Investigators say many of the plants were mature and ready for harvesting. No arrests in the case have been announced so far.