Abdullah bin Abbas (may Allah be pleased with them both) narrates: I and the slave of Umm al-Mu'mineen Lady Maymunah (may Allah be pleased with her), Abdullah bin Yasar (may Allah be pleased with him), came to Abu Juhaim bin Harith bin Simmah al-Ansari (may Allah be pleased with him). Abu Juhaim (may Allah be pleased with him) informed us that the Messenger of Allah (peace and blessings be upon him) was coming from the direction of Bani Jamil. A man greeted him with Salam, but he did not reply until he reached a wall and wiped his face and both hands (i.e., performed tayammum) and then replied.