A young man who had been attending a Bible study for an hour suddenly began shooting in a Charleston, SC, church, killing 9 people–six women and three men, including the pastor. The shooter, a 21 year old white supremacist, was arrested. The church is an African-American congregation.
From White suspect arrested in killing of nine at black U.S. church | Reuters:
A white man suspected of killing nine people in a Bible-study group at a historic African-American church in Charleston, South Carolina was arrested on Thursday and U.S. officials are investigating the attack as a hate crime.
Law enforcement officials detained alleged gunman Dylann Roof, 21, after a traffic stop in Shelby, North Carolina, about 220 miles (350 km) north of Charleston, said police chief Gregory Mullen.