 The verbal altercation escalated, and one member of the group that had initiated the confrontation with Reza and his friend pulled out a weapon and began to beat the teens.In an attempt to defend himself and his friend against the attack, Reza pulled out a pocket knife, and while covering his face and eyes from the blows with his left hand, he attempted to ward off his attackers with the knife in his right hand.As Reza struggled with his attackers in this manner, he stabbed one of them with the knife.