South Africa police official says blast near Johannesburg jail kills 2 prisoners

JOHANNESBURG - South African police say that a blast outside a prison in central Johannesburg has killed two prisoners and wounded at least 15 more.

Police Brig. Neville Malila told the South Africa Press Association that the prisoners were riding in a van outside the Johannesburg Prison. He gave no further details.

It was not immediately clear what caused the explosion.