Unknown to the Rabbis a lady from their own tribe whose brother had converted and lived among the Ansar overhead their plotting and told her brother who in turn went directly to the Prophet (salla Allahu alihi wa sallam) and whispered their plot in his ear.
Lama yaqaan in ay rabbaaniyiintu u gabadh ay isku qabiil gaar ah oo walaalkeed uu ku badaley oo ku noolaa ee Ansar socdka ah dhagar ka mid ah oo u sheegtay walaalkiis kuwaas oo ka bacdi si toos ah u tageen inay Nabiga (Salla Allahu alihi wa Sallam) iyo waswaasiyey Dhagartooda ee dhegta.