José Luis Novoa Ibáñez, 23, is accused of fatally punching a 32-year-old man from Valladolid. The deceased had gone to Burgos to celebrate a friend's bachelor party and met the suspect in the early hours of the morning.

Investigators are considering whether the attacker used some type of reinforcement or weapon for his fist. The Burgos CF club has launched a brief institutional message in which it shows its “absolute rejection of any form of violence, whether inside or outside the sporting field.