From CBS Columbia:
The circumstances surrounding the arrest of Dylann Storm Roof, 21, have not been released yet. Shelby is located about an hour drive to the west of Charlotte.Please pray for the victims.
Earlier in day, there was a heavy police presence seen in lower Richland County, South Carolina because Roof grew up in the area and has family here.
Columbia Mayor Steve Benjamin also told WLTX that Roof has multiple family members in the greater Columbia area.
A Facebook page belonging to a Dylann Roof that matches the picture released by law enforcement said Roof at one time attended White Knoll High School in Lexington County.