A California security guard is facing assault charges after allegedly tasering a man in the face outside a Carlsbad bar during a soccer viewing event. Video footage of the incident shows the man collapsing immediately after being struck by the taser. The security guard, identified as 42-year-old David Marquez, was arrested for assault with a deadly weapon and stun gun assault. Authorities confirmed the victim is currently receiving medical attention, but details regarding his condition have not been released. The altercation occurred during a gathering of soccer fans. Police are continuing to investigate the circumstances leading up to the incident and the use of force by the security guard. Marquez is awaiting court proceedings regarding the charges filed against him.