 Muhammad forestalled any fighting by immediately continuing the march.Ibn Ubayy denied having said so and Muhammad accepted the excuse, but after their return to Medina, the "Munafiqun" would be reprimanded in Surah .Reportedly, Muhammad rejected the advice of Umar, who counseled to have Ibn Ubayy killed and the offer of Ibn Ubayy's own son, a fervent Muslim, to kill his own father.