A 46-year-old watsonville man was arrested for vandalism saturday night, after throwing rocks into several businesses. at 10:30 p.m watsonville police officers were called to santa barbara bank and trust (on main street), where a rock had been thrown through the front window. officers located isaias fernandez nearby, and a witness positively identified him as the suspect. he is believed to be responsible for throwing rocks through the windows of several other businesses in the area as well.