JACKSONVILLE, Fla. -

Three people were shot inside Plush nightclub early Friday morning.

The Jacksonville Sheriff's Office responded to the club off University Blvd. in Arlington around 2:15 a.m.  There was a "mass exodus" of people and officers went inside to investigate, according to JSO.

Officers discovered three people had been shot. They were transported to a local hospital. At last check, one was in critical condition and two were in stable condition.

A fourth person drove to the hospital for a cut.

Detectives are interviewing witnesses and victims to determine what happened.  It's not known if anyone is in custody at this time.

Homicide investigators said they're reaching out to anyone who may have been in the club and who may have any video either prior, during or after the shooting.

Anyone with information is urged to call JSO at 904-630-0500 or Crime Stoppers at 866-845-TIPS.