Musannaf Ibn Abi Shaybah 34357 — Reports on al-Hasan and al-Husayn

Mughirah (may Allah have mercy on him) said that al-Sha'bi (may Allah have mercy on him) said: When the Messenger of Allah (peace and blessings be upon him) intended to engage in mutual imprecation (mubahalah) with the people of Najran, he (peace and blessings be upon him) took hold of the hands of Sayyiduna al-Hasan (may Allah be pleased with him) and Sayyiduna al-Husayn (may Allah be pleased with him), and Sayyidah Fatimah (may Allah be pleased with her) was walking behind him.