.Sayyidna Alee ibn Abi Talib radiallaho anh says that when Sayyidna Abu Bakr was on his death bed, he made his last will (wasiya) to him that when he is dead ,his dead body should be taken to the Prophet’s grave and Say that this is Abu Bakar ,and he wants to be buried next to you, if the door of the prophet’s house opens after this question then he should be buried next to the Prophet, and if the door does not open then he should be buried in baqee- after Abu Bakr’s beath, Alee took his body to the Prophet’s Grave and he said-Yaa Rasool Allah ,this is Abu Bakr and he wants to be buried next to you-at this the door of the Prophet;s house opened suddenly and a voice came from inside (i.e. from the Prophet’s grave) saying “Bring him to his friend” (FADAIL AMAAL PART -2,BOOK FADAIL HAJJ pg. 176)