It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "When a dog puts its mouth in someone's utensil (and in one narration: drinks from it), then he should wash it seven times."

Muhammad bin Ja'far, may Allah have mercy on him, was asked about the vessel into which a dog puts its mouth. He said: Sa'id, may Allah have mercy on him, narrated to me from Ayyub, may Allah have mercy on him, and he from Ibn Sirin, may Allah have mercy on him, that it is narrated from our master Abu Hurairah, may Allah be pleased with him, that the Messenger of Allah, peace and blessings be upon him, said: "It should be washed seven times, the first time with earth."

It is narrated from Sayyiduna Abdullah bin Mughaffal (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) initially ordered the killing of dogs, then said: "What is the matter with people and dogs?" Then the Prophet (peace and blessings be upon him) granted concession for hunting dogs and sheep-guarding dogs, and said: "And when a dog puts its mouth in any of your vessels, wash it seven times and rub it with earth the eighth time."

It is narrated from Sayyiduna Abu Hurairah, may Allah be pleased with him, that the Messenger of Allah, peace and blessings be upon him, said: "When a dog puts its mouth into any of your vessels, its purification will be by washing it seven times."

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "When a dog puts its mouth in any of your vessels, then wash it seven times."

It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both), he says: "I was a young man without family, and during the Prophetic era I used to spend the night in the mosque. Dogs would come and go (in the mosque), but they would not sprinkle (water) from it."