Florida officials said that two adults and a child were killed when a shooter fired inside a Publix supermarket late Thursday morning.

According to the Palm Beach Sheriff’s Office (PBSO), a male and a female adult, as well as a child, was fatally shot at the Royal Palm Beach grocery store inside The Crossroads complex at 11:30 a.m. on Thursday, June 10.

Police said that one of the victims was the gunman, and the scene on Okeechobee Boulevard was likely a “murder/suicide” and “NOT an active shooter situation.”

According to Local 10 News, the two victims were a grandma and her grandson, who was about to turn 2 years old. The relationship between the gunman and the victims is unknown at the moment. However, the father of the small boy was called to the site to recognize his son.

In an email to The New York Post, a Publix spokeswoman acknowledged the incident and stated that they are “cooperating with local law enforcement.”

“We can confirm that there was an incident at our Publix store located at 1180 Royal Palm Beach Blvd. earlier today. Our thoughts are with those who are impacted by this tragedy,” the spokesperson wrote, adding that “All additional questions should be directed to the Palm Beach County Sheriff’s Office.”

The PBSO’s Violent Crimes Division’s detectives arrived on the site to investigate.

A witness at the Publix store, Juan Guardia, said that staff started running and urging customers to leave following the gunfire. “She said, ‘Run, run. It’s a shooting, shooting run!’” Guardia recalled hearing a gunshot from the produce area. “After that, I got out from the back side, the back gate.”

The shooter’s and victims’ identities have not yet been revealed.

“We have three individuals deceased right now and we don’t have the next of kin notified, so please understand this is a long process,” said the PBSO’s spokeswoman Teri Barbera.

PBSO is photographing the site, speaking with witnesses, and examining video to discover a reason for the shootings, she added.

The village of Royal Palm Beach is located within Palm Beach County, 15 miles west of West Palm Beach and north of Wellington.