Hadith 3935
وَعَن عصامٍ المزنيِّ قَالَ بَعَثَنَا رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي سَرِيَّةٍ فَقَالَ: «إِذَا رَأَيْتُمْ مَسْجِدًا أَوْ سَمِعْتُمْ مُؤَذِّنًا فَلَا تَقْتُلُوا أَحَدًا» . رَوَاهُ التِّرْمِذِيّ وَأَبُو دَاوُد
Islam al-Muzani said:God’s Messenger sent us in a detachment and said, “When you see a mosque or hear a mu’adhdhin (The one who makes the call to prayer) do not kill anyone.” Tirmidhi and Abu Dawud transmitted it.