It is a well-established fact that the burial rituals and the funeral prayers for an Imam (as) can only be conducted by another Imam (as). The circumstances at the martyrdom of Imam Hasan Askari (as), therefore, become important to establish the birth and continued existence of Imam Mahdi (as).
The search to find and kill Imam Mahdi (as) was intensified when Imam Hasan Askari (as) was martyred. This is because everyone knew that on that day the command of Imamate would pass on to Imam Mahdi (as).
In the book of Najmus Saqib (volume 1, page 541, English) under the chapter of miracles of Imam Mahdi (as), we find the following incident, which highlights that Imam Hasan Askari (as) not only foretold his own martyrdom, but also gave his followers sufficient information about the signs of Imam Mahdi (as) to enable him to recognise the Imam of the Time. (more…)