Charleston church shooting suspect caught in Shelby, NC

This April 2015 photo released by the Lexington County (S.C.) Detention Center shows Dylann Roof, 21. Charleston Police identified Roof as the shooter who opened fire during a prayer meeting inside the Emanuel AME Church in Charleston, S.C., Wednesday, June 17, 2015 night, killing several people. (Lexington County (S.C.) Detention Center via AP)

June 18, 2015 at 3:59 p.m. UTC

A source told WSOC-TV that Dylann Roof was in custody in Shelby, North Carolina. WSOC-TV has a crew headed to the scene.

http://twitter.com/AP/status/611558334316068864

President Barack Obama is expected to address the nation about the shooting at 11:45 a.m. ET.

>>RELATED: Who is Dylann Roof

The sister of former North Carolina Sen. Malcolm Graham was killed in the shooting.

Authorities had been searching for Dylann Roof, the man alleged to be involved in a shooting that left nine people dead at a historic black church Wednesday.

The FBI confirmed Thursday Roof, 21, of Lexington County, is the suspect authorities say shot six women and three men during a service at Emanuel AME Church.