عَنِ الْحَسَنِ رَضِيَ اللَّهُ عَنْهُ قَالَ شَهِدْتُ عُثْمَانَ يَأْمُرُ فِي خُطْبَتِهِ بِقَتْلِ الْكِلَابِ وَذَبْحِ الْحَمَامِ
Sayyiduna Hasan Basri (may Allah bless him and grant him peace) says: I was present at the sermon of Sayyiduna Uthman (may Allah be pleased with him), and in his sermon, he ordered the killing of dogs and the slaughtering of pigeons.