Harrowing footage has captured the sickening moment a FDNY medic and mother of five was run over and killed by a man who stole her ambulance, leaving her distraught partner trying to attack the carjacker.The chaotic scene unfolded in a matter of minutes in the Bronx around 7.10pm after the two medics en-route to an emergency were flagged down by members of the public and told a man was riding on the back of their rig.Yari Arroyo, a 14-year veteran of New York's Bravest, pulled over to see what the unidentified 25-year-old man was doing, according to witnesses.As she was did so, the man overpowered her following a brief struggle and jumped behind the wheel of the vehicle, where Arroyo's partner, Monique Williams, 31, was still inside.R.I.P. Yari Arroyo