FREMONT, Calif. (KGO) -- A Tesla employee was arrested after a gun he brought to work accidentally discharged Tuesday night, according to police.Fremont police were dispatched to the plant shortly after 10 p.m. Tuesday and arrested 28-year-old Reginald Simon of Oakland.Police say Simon had a gun that accidentally fired into the floor when he was clearing it. It wasn't clear how the employee was discovered to be in possession of the gun.A Tesla employee called police to say he had heard that the gun was discovered when it fell out of the employee's backpack.No further details were available.