A mass shooting in Collierville, Tennessee, has seen at least one person lose their life and 13 others injured.
With five others in a stable condition, four of the victims are fighting for their life in hospital.
According to police, the incident occurred outside a Kroger grocery shop at about 1:30 pm local time. The gunman then took his own life.
According to police, the SWAT team arrived at the scene to search for the shooter and moved from aisle to aisle.
Some people hid in freezers and locked offices when the gunfire broke out at, with one employee fleeing to the roof before being escorted to safety by police, ABC News reports.
Police said there were “very serious” injuries among those taken to hospital, with at least four in critical condition.
Two medical helicopters were in the area to evacuate victims, according to witnesses.
An employee who was off on the day of the shooting told WMC News colleagues “recognised the shooter as a Kroger employee”, this is yet to be confirmed by authorities.
Collierville Police Chief, Dale Lane, said: “They were doing what they had been trained to do run, hide, fight.”
Glenda McDonald, who works in Kroger’s floral department, said she was not injured, but shaken.
She told USA Today: “I just ran out the door. I left my purse, my keys, everything.”
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Another eyewitness, Brignetta Dickerson, was at a cash register and played dead when the gunman “started popping that gun,” hitting one man in the head.
She told WREG-TV: “It sounded a bit like a balloon popping. Tap, tap, tap, tap, tap — just like that.”
The suspected shooter’s car is still in the parking lot and resources are being brought in to safely inspect it.
All three agencies involved in the investigation are present at the scene, including the FBI and Bureau of Alcohol, Tobacco, Firearms and Explosives.
Schools in the region were placed on lockdown, which has since been lifted.
Parents of Collierville High School students received a message informing them that there had been an off-campus shooting.
Chief Lane added: “This is the most horrific event to happen in Collierville history.
“This scene is horrific, I’ve been involved in this for 34 years and never seen anything like it.
“It’s horrific. We hate that it happened, but this is one of the most resilient communities in America and one of the best police departments.”
According to the latest police statement, four people are fighting for their lives and five have suffered non-critical injuries, with 13 total victims in area hospitals.
The supermarket has released a statement that reads: “We are deeply saddened by the incident that occurred at our Kroger store located on New Byhalia Road.
“The entire Kroger family offers our thoughts, prayers, and support to the individuals and the families of the victims during this difficult time.
“We are cooperating with local law enforcement, who have secured the store and parking lot. The store will remain closed while the police investigation continues and we have initiated counseling services for our associates.
“To preserve the integrity of this ongoing investigation, we are referring any questions to Collierville Police Department.