US mourns victims of Charleston shooting

The suspect, Dylann Roof, 21, was detained during a traffic stop in Shelby, North Carolina.

Prayers have been held across the United States after the killing of nine people at a historic African-American church in Charleston, South Carolina.

The suspect, Dylann Roof, 21, was detained during a traffic stop in Shelby, North Carolina.

After a court appearance on Thursday, Roof waived his right to extradition and was flown back to South Carolina.

Six women and three men, including the pastor, died in the attack. A hate crimes investigation has been launched.

Several churches in Charleston were full to overflowing on Thursday evening as prayer services were held. Some services were held outdoors.

Services were held in several other cities, including Miami, Detroit and Philadelphia.

In New York, services and protests took place, with placards including such messages as "Black Lives Matter" and "Stop killing black people".