The cause for the scattering, the persecution, was stated previously. This can be stated in active form. Alternate translation: "who had fled the great persecution" (See: [[rc://en/ta/man/jit/figs-activepassive]])
This is a metonym for "the message." You may need to make explicit that the message was about Jesus. Alternate translation: "the message about Jesus" (See: [[rc://en/ta/man/jit/figs-metonymy]] and [[rc://en/ta/man/jit/figs-explicit]])