Hazrat Aisha (may Allah be pleased with her) narrates that the Prophet (peace be upon him) ordered me that whenever I see a dog, I should kill it.

Hazrat Abu Rafi' narrates that the Prophet صلی اللہ علیہ وسلم ordered me to kill any dog that I see.

Hazrat Ibn Umar (may Allah be pleased with both of them) narrates that the Messenger of Allah (peace be upon him) ordered the killing of dogs. We started killing dogs, to the extent that a woman who had brought a dog from the village, we killed her dog as well.

Hazrat Abdullah bin Mughaffal narrates that the Prophet صلی اللہ علیہ وسلم ordered the killing of dogs and said, "Of what use are dogs to people?" Then he permitted keeping dogs for hunting.

Hazrat Usama narrates that once I went to the service of the Prophet صلی اللہ علیہ وسلم and he appeared to be worried. I asked, "O Messenger of Allah! Is everything alright?" He replied, "Jibreel (peace be upon him) had promised to come to me, but he has not come for three days." Meanwhile, a dog passed by there. I put my hand on my head and I cried out. The Prophet صلی اللہ علیہ وسلم asked, "O Usama, what happened?" I submitted, "A dog has passed by." The Prophet صلی اللہ علیہ وسلم ordered it to be killed, and it was killed.

Hazrat Usman ordered the killing of dogs and the slaughtering of pigeons.

Hazrat Jabir (may Allah be pleased with him) narrates that the Messenger of Allah (peace be upon him) ordered the killing of dogs. People followed this command with such strictness that if a woman brought a dog into the city, the dog would be killed before she could leave. Then the Messenger of Allah (peace be upon him) said that if dogs were not a community created by Allah, I would have ordered all of them to be killed. Therefore, you should only kill the fierce black dog which has two spots between its eyes, because this dog is a devil.

It is narrated from Hazrat Ibn Umar (may Allah be pleased with them both) that the Prophet (peace be upon him) ordered the killing of dogs.