JACKSONVILLE, Fla.- 15 people have been arrested and more arrests are possible in what the Jacksonville Sheriff's Office is calling "Operation Blue Hawk", an undercover sting to catch adults who try to met up with minors for sex over the internet.

Sheriff Mike Williams announced the arrests Wednesday afternoon.11 of the suspects, ranging in age from 25 to 45, communicated with minors believed to be between 12 and 14 years old, Williams said.

They were part of the first phase of the operation in late July.

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They could face five to 40 years in prison if convicted, police say.

The majority of the suspects were from the immediate Jacksonville area, though one of them traveled from the Ocala to Jacksonville.

Police say one of the men left a six year old child at home in order to meet up with what he thought was another child for sex.

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Cradled between lush green fairways and the wide blue Atlantic Ocean, Ponte Vedra's Racquet Club has evolved from a single clay court over 80 years ago to its honored status today as the “Official Tennis Club of the ATP World Tour.” A full complement of year-round resort activities, instructional programs and packages attracts tennis enthusiasts to the resort year after year.

According to police the incident happened during a gathering outside of the apartment complex, which involved loud music.Police say the shooting happened when an argument broke out. Police say there were a lot of witnesses to the shooting and are following all leads.This is the second mass shooting (3 or more victims) in Jacksonville this week.Early Monday morning, 7 people were shot at Eureka Gardens.Anyone with information is asked to call JSO or Crime Stoppers at 1-866-845-TIPS to remain anonymous.First Coast News will update this developing story.