‏البيوع : Hadeeth No:3809 Ibn 'Umar (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) giving command for killing dogs....

‏الصلاة : Hadeeth No:1312 This hadith has heed narrated by Qatada with the same chain of transmitters. And he said: Their houses and their graves (be filled with fire), and did not express doubt over the words," houses" and" graves"....