A man at an LA Fitness in Kendall pulled a knife and threatened another guy at the gym.
In a video posted by Only In Dade, Lenin Sanchez was seen arguing with a gym member after another guy asked him to stop looking at his girl.
The victim says Lenin was being disrespectful towards his girlfriend and recording her which resulted in the argument captured on video.
Following the argument, Sanchez went to the locker room and came back to confront the victim holding a knife.
He was then arrested by a police officer in regular clothes outside of the gym.
As of Monday Sanchez was arrested on the charge of aggravated assault with a deadly weapon.