Updated Sep 20, 2018 11:15 AM EDT
PERRYMAN, Md. — Authorities are responding after reports of shots fired in Harford County, Maryland, just south of Aberdeen, CBS Baltimore reports.
Multiple people were shot, according to the Harford County Sheriff’s office. Police said in a tweet there were “multiple victims.”
The call came at 9:09 a.m. for the shooting in a warehouse complex in the neighborhood of Perryman. The shooter has not yet been taken into custody, according to authorities.
Maryland Gov. Larry Hogan called it a “horrific shooting.”
The call came at 9:09 a.m. Witnesses said they were seeing multiple police departments and ambulances responding.
The ATF and FBI were also responding.
Colleen Hendrickson lives and works nearby, and she thought it was a normal day while heading to catch the bus and head to work, but then someone warned her there was an active shooting nearby.
“It’s mostly warehouses in the area,” she said. “It’s usually just a really sleepy place.”
Authorities asked that people avoid the area. Flares were set up and crime tape marked an area that was closed.
This is a developing story and will be updated.
© 2018 CBS Interactive Inc. All Rights Reserved.