(KRON) -- The Gilroy Police Department is searching for a male suspect connected to a stabbing that happened at a tamale festival in September. Four suspects have already been arrested in connection with what police described as a gang-related stabbing. One more (pictured below) remains at large. The stabbing happened on Sept. 28 on the 7500 block of Monterey Road. The victim was stabbed in the upper body -- their injuries were described as serious but not life-threatening. Three of the four people arrested are juveniles. All of the suspects are males. Mountain View barber at large, charged with sexually assaulting unconscious victims Anyone with information is asked to email [email protected] or call (408) 846-0357. Gilroy's annual tamale festival includes food, music and a car show. The city describes it as having "vibrant culture, flavor, and family fun."