Hadith 332
´It was narrated that Anas said:` "I was with the Prophet on a journey. He went away to relieve himself, then he came and called for water and performed ablution."
Hadith 548
´It was narrated that Anas bin Malik said:` "I was with the Messenger of Allah on a journey, and he said: 'Is there any water?' He performed ablution and wiped over his leather socks, then he joined the army and led them (in prayer)."