POMONA (CBSLA.com) — Police Friday were investigating an illegal marijuana grow discovered at a Pomona home.

Officers received a report of a possible grow around 10 p.m. Thursday at a residence in the 1100 block of W. Mission Boulevard.

“Upon arrival, the officers located a building with approximately 72 mature marijuana plans and 65 immature marijuana plants inside,” Corporal G. Sugiki said.

The home had been converted into a large-scale indoor growing operation equipped with a high intensity lights and an air filtration system, according to officials.

The suspects were not at the home at the time of the bust.

Anyone with information should contact Pomona police at (909)620-2085.