MIAMI (AP) — A 30-year-old woman has died in a shootout that broke out between rival gang members during Martin Luther King Day in Floridasheriff’s officials said Tuesday.

The woman, whose name has not been released, attended a party with her 6-year-old daughter Monday night after the MLK Day parade in Fort Pierce, Florida. This was stated by the Sheriff of St. Lucie County, Ken Mascara, during a press conference.

“After the party ended, gunshots rang out in this park, eight people were shot and four others were injured as they tried to flee this chaotic scene,” the sheriff said.

As of Tuesday morning, no arrests had been made, but Deputy Chief Brian Hester said detectives are working around the clock.

“The evidence indicates that the shooting was a dispute between two rival Fort Pierce gangs,” Hester said.

He added that investigators found more than 50 shell casings from weapons of three calibers at the scene.

“Let me be very clear. If you think of, harbor, support, protect or assist any suspect, anyone involved in this horrific incident, I can assure you that we will arrest you and charge you to the fullest extent of the law.”

Hester said the agency works with local, state and federal agencies. They have set up a hotline for any tips from witnesses.

“Yesterday was MLK Day, a legacy built on nonviolence, and unfortunately we have experienced violence in our community,” the sheriff said, adding that the agency extends its “heartfelt” condolences to the woman’s family and the community.

Fort Pierce is located 68 miles (109 kilometers) north of West Palm Beach on Florida’s Atlantic coast.

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