9 dead, including suspected shooter, in Indianapolis mass shooting

Police is seen at a street following a shooting incident at a Fed Ex facility in Indianapolis Indiana

Miller said: "This made me stand up and actually look out the entrance door, and I saw a man with a submachine gun of some sort, an automatic rifle, and he was firing in the open".

Cook said in an earlier briefing that authorities believed there was no longer an active threat to the community.

The victims were all found at a Fedex facility near the global airport where the shooting took place late Thursday, police spokeswoman Genae Cook told a news conference, adding several others had been taken to hospital.

In a statement to NPR, FedEx said it was "deeply shocked and saddened by the loss of our team members following the tragic shooting at our FedEx Ground facility in Indianapolis".

FBI spokesperson Chris Bavende told ABC News the bureau will be assisting the Indianapolis police in the investigation of the shooting.

It is unclear how many people were shot in total. Five people, including a pregnant woman, were shot and killed in January, and a man was accused of killing three adults and a child before abducting his daughter during at argument at a home in March. The gunman later killed himself.

Family members gathered at a nearby hotel to await word on loved ones - and some employees were bused there for tearful reunions. Our most heartfelt sympathies are with all those affected by this senseless act of violence.

Local media cited a company spokesman as saying that FedEx is now considering reevaluating a policy that prohibits employees from having their phones with them during shifts, making it hard to contact them.

She called the situation "very heartbreaking" and said officers "went in and they did their job".

Cook said that Indianapolis Metropolitan Police officers responded to the warehouse shortly after 11 p.m. following reports of gun shots. I don't know if he's injured. "I immediately ducked down and got scared and my friend's mother, she came in and told us to get inside the vehicle".

Live video showed police tape at the scene of the incident, which follows several mass shootings in recent weeks.

One man who said he works at the plant told local broadcaster WISH-TV he saw the gunman start shooting.

Another man told WTTV that his niece was sitting in the driver's seat of her auto when the gunfire erupted, and she was wounded. They encountered an "active shooter incident", she said. '"She's fine, she's in the hospital now".

Additionally, "preliminary information from evidence at the scene is that the alleged shooter has taken his own life", police said.