A man was arrested last week after he was accused of setting his pit bull loose on another man, and then stabbing the person on a Trenton street, police said. The incident happened shortly after 10 a.m. on July 23 when police found the man stabbed in the area of Southard Street and New Willow Street, the Trenton Police Department announced Monday. He had an eight-inch long laceration to his midsection that exposed his organs and caused significant blood loss. The man survived the attack and was taken to Capital Health Regional Medical Center for treatment, authorities said. His status as of Tu…