PHOTOS: Sophisticated Marijuana Growing Operation in Santa Ana

A marijuana grow room with grow lights and an intricate irrigation system was discovered in the 1100 block of 17th Street in Santa Ana on Friday.

Police seized 1636 marijuana plants worth approximately $2.3 million after Orange County Fire Authority firefighters responded to a fire alarm around 7 a.m.

Authorities uncovered what they called a sophisticated growing operation inside a Santa Ana warehouse.