Original sentence: Bahá'ís believe that he was "banished" or "exiled" out of Persia whilst some sources believe that Bahá'u'lláh fled for fear of more persecution [Maulana, 1933].Numerous sources, both Bahá'í and non-Bahá'í state that he was imprisoned there for four months
Edited sentence: Although there is no evidence to support the claim that he was "banished" or "exiled" out of Persia (previously the official Bahai position was that he was sent into "exile", but it seems that the claim is now changed from "exile" to "he was banished").Of course other than Bahaullah's own claim (and possibly other Bahai sources), there is no evidence of Bahaullah's alleged 4-mounth imprisonment