A South Bay boxing instructor has been arrested on suspicion of sexually assaulting two customers and trying to extort an employee. Trastan Arfi, who runs YBX Fitness in downtown San Jose, is facing felony charges of sexual battery and extortion,

The manager of a boxing gym in San Jose has been arrested on felony sexual assault charges after he allegedly committed sex crimes against three women, prosecutors said.

A San Jose boxing instructor is charged with multiple sex crimes, with past misconduct for context, and the DA seeks more information from potential victims.

The manager of a downtown San Jose boxing gym has been charged with groping two women and trying to extort a third for nude photos. Now, Tristan Arfi, 42, has been charged with five counts of sexual battery and two counts of attempted extortion,

The case was investigated by the San Jose Police Department and Santa Clara County District Attorney’s Office Bureau of Investigation.