She was fighting fire with fire.
A Boston fire cadet was arrested after allegedly throwing punches at her “cheating” boyfriend in front of cops over the weekend, according to authorities.
Cara Stapleton, a recent graduate of the Boston Fire Academy, is accused of socking a man in the face several times as he lay on his back in the parking lot outside of Chantey Restaurant in Quincy on Sunday evening, according to a police report obtained by WCVB…