Sayyiduna Anas (may Allah be pleased with him) narrated: the Prophet (peace and blessings be upon him) said: "Whoever walks to see to a need of his Muslim brother, Allah Almighty records for him seventy good deeds in return for every step he takes."
Al-Tabarani recorded it in al-Mu'jam al-Awsat; its chain contains a narrator, Abd al-Rahim bin Zayd al-Ammi, who is matruk (abandoned).