Sayyiduna Abu Juham (may Allah be pleased with him) narrates: The Prophet Muhammad (peace and blessings be upon him) was coming from the well of Jamal, perhaps after relieving himself or urinating. I greeted him with salam, but he did not reply to my greeting. Then the Prophet (peace and blessings be upon him) wiped his blessed hand on the wall and performed masah (wiping) over his blessed face and both arms with it (i.e., performed tayammum), then he replied to my salam.