Muwatta Malik 62

Yahya related to me from Malik from Ishaq ibn Abdullah ibn Abi Talha that Anas ibn Malik said, "I saw the Messenger of Allah, may Allah bless him and grant him peace, on one occasion when the asr prayer was at hand . Everyone was looking for water for wudu but no- one could find any. Then the Messenger of Allah, may Allah bless him and grant him peace, brought some water in a vessel . He put his hand into the vessel and then he told them all to do wudu from it." Anas added, "I saw water coming out from his fingers. Then all of them to the last man did wudu