Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 7 months ago

There are definite signs before the reappearance of Imam Al-Mahdi (AS) mentioned in the authentic narrations e.g. in Kamal Al-Deen by Shaikh Al-Sadouq (2: 650) from Imam Jafar Al-Sadiq (AS): Defibite signs for the reappearance of Imam Al-Mahdi(AS) are: Al-Yamaani, Al-Sufyani, Al-Sayhah ( The loud Cry from the sky, killing of Nafis Al-Zakiyyah ( the pious person), and the land slide in the desert.

'There are other narrations including the Dajjal.