مصنف ابن ابي شيبه
Musannaf Ibn Abi Shaybah
كتاب الصلواتBook of Prayers
من قال: لا يقطع الصلاة شيء وادرأوا ما استطعتمIf someone passes in front of a praying person, salah is not invalidated but he should try to prevent it
Hadith 2923
٢٩٢٣ - حدثنا ابن فضيل عن زكريا عن الشعبي قال: لا يقطع الصلاة شيء، ولكن ادرأوا عنها ما استطعتم.
Hazrat Sha'bi says that prayer is not invalidated by anything; however, as much as you are able, prevent those passing in front of you.
