Banu Nazir lives two miles away from Medina. They were bound by a peace treaty with the Prophet (PBUH). In this situation, when the Prophet (PBUH) went to their neighborhood, they allowed him to sit under a roof. Later they conspired to kill him by rolling stones from the roof. When he was informed about this through the revelation of Allah, he moved away from the place.

Surah Hashar

Told them, 'You have broken the contract. You are given 10 days to leave wherever you want. If any of you are found after that, you will be punished with death.'

They did not leave the country at the instigation of the hypocrite chief. The Prophet (PBUH) besieged their neighborhood in the month of Rabiul Awal of the fourth Hijri. When they refused, the Prophet (PBUH) gave them another chance and said, "Leave the area now, taking as many things as you can except weapons." Following the order, they left the country. Some went to Khyber Valley, some to Syria.

The last three verses of the Surah say, 'He is Allah, there is no god but He. He is the knower of the unseen and the seen. He is Most Merciful'.