Multiple people are reported shot in Harford County, Maryland, according to the local sheriff's office.
"We can confirm there was a shooting in the area of Spesutia Road and Perryman Road. Multiple victims. The situation is still fluid. Please avoid the area," the Harford County's sheriff's office said in a tweet.
Police responded to the shooting at around 9 a.m. (1300GMT).
The FBI Baltimore office is assisting the Harford County authorities with the situation.