Police said they believe the alleged shooter is dead.
When officers arrived at the scene just after 11 p.m. local time, it was an active shooter situation, Indianapolis Metropolitan Police Department Officer Genae Cook said during a media briefing.
Police said the alleged shooter “has taken his own life.”
It is unclear how many people have been shot at this time or all their conditions, but multiple victims have been transported to various hospitals in the area, Cook said.
At least four people were transported to the hospital in critical condition and three others with various gunshot injuries. Police said hospitals have also reported multiple walk-ins from the incident.
“This is a sight that no one should see,” Cook said during a media briefing.
The identity and motive of the shooter have not been released.
The names of the victims have also not been publicly released.
“We are deeply shocked and saddened by the loss of our team members following the tragic shooting at our FedEx Ground facility in Indianapolis,” FedEx said in a statement early Friday morning. “Our most heartfelt sympathies are with all those affected by this senseless act of violence. The safety of our team members is our top priority, and we are fully cooperating with investigating authorities.”
The FedEx facility is located near the Indianapolis airport on the 8900 block of Mirabel road.
This is a developing story. Please check back for updates.
ABC News’ Alexandra Faul contributed to this report.