UPDATED 10:15 A.M.: KENNESAW, Ga. — A shooter described as being armed with an assault rifle and having bullets strapped across his chest “like Rambo” opened fire Tuesday morning at a FedEx station outside Atlanta, wounding at least six people before police found the suspect dead from an apparent self-inflicted gunshot.

Police rushed to the center after someone called to report an active shooter at 5:54 a.m. After surrounding the perimeter and working to clear the building, officers found the suspect dead, Cobb County police spokesman Michael Bowman said. He said there were no immediate reports anyone else had been killed.

FedEx clerk Liza Aiken said she was working inside when she heard something, dropped, looked to her left and saw the gunman.

“He had bullets strapped across his chest like Rambo, a huge assault rifle and he had a knife,” Aiken said in a parking lot where employees were gathering not far from their workplace. Before she could continue, a woman wearing a FedEx jacket told Aiken to stop talking and led her away.

Six people wounded at the FedEx station were taken to nearby Wellstar Kennestone hospital, where spokesman Tyler Pearson said one victim was rushed to surgery with potentially critical injuries. Others were less serious.

“A lot of them were able to walk off the ambulance,” Pearson said.

David Titus, a FedEx truck driver, said he was just coming to work when he saw someone walk up and shoot a security guard in the abdomen outside the building. He said he could hear more gunshots after the gunman went inside.

“It was chaos,” Titus said. “Everyone was running ducking and hiding, trying to get out of there.”

FedEx said the facility about 25 miles north of Atlanta is a hub where packages are sorted and loaded onto vehicles for delivery. It’s located next to the general aviation airport for suburban Cobb County.

The identity of the suspected shooter was not immediately released.

The company was cooperating with police but had no details to release about the shootings Tuesday morning.

“We are aware from the authorities of the situation,” said Scott Fiedler, a FedEx spokesman. “Our primary concern is the safety and wellbeing of our team members, first responders and others affected.”

UPDATED 9:08 A.M.: KENNESAW, Ga. — Cobb County police Sgt. Dana Pierce told The Atlanta Journal-Constitution that police found the shooting suspect dead from apparent self-inflicted gunshot wound.

“We have one individual that is deceased that we are describing as the suspect,” Pierce said. “He is probably deceased from a self-inflicted gunshot wound. He was located in the bay area of FedEx. We are completing the ground floor sweep at this point with the assistance of K-9.”

UPDATED 8:55 A.M.: Fox 5 in Atlanta is reporting that the shooter has been found dead.

BREAKING: Gunman at FedEx facility in Kennesaw has been found dead from apparent self-inflicted gunshot wound per police. #fox5atl

— FOX 5 Atlanta (@FOX5Atlanta) April 29, 2014

UPDATED 8:46 A.M.: KENNESAW, Ga.  — Police say at least six people are injured after a shooter opened fire at a FedEx center north of Atlanta.

Cobb County police spokesman Michael Bowman says an active shooter was reported early Tuesday at the FedEx package sorting facility in Kennesaw. He says police have surrounded the building and are working to clear it. He calls the situation “active and fluid.”

Marietta police spokesman David Baldwin says six injured patients were taken to nearby Wellstar Kennestone Hospital, one of them with potentially critical injuries. Police didn’t’ immediately say if anyone has died.

FedEx spokesman Scott Fiedler says the company is cooperating with authorities.

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KENNESAW, GA — Police say at least six people were injured in shooting Tuesday morning at a FedEx center.

This story will be updated when details become available