Two of the three survivors of the shooting, Felicia Sanders and Polly Sheppard, join Bassett onstage.
Bassett said she visited Charleston and said the city's soul is on fire. Her comment that the state no longer flies the Confederate flat elicits cheers from the crowd.
Actress Angela Bassett speaks about gun violence and recites the names of the nine people killed in a Charleston, South Carolina, church a year ago.