Left: UFC Fighter Polyana Viana.
Right: Idiot who tried to steal her phone.
'He was really close to me. So I thought, 'If it's a gun, he won't have time to draw it.' So I stood up. I threw two punches and a kick. He fell, then I caught him in a rear-naked choke...Then I sat him down in the same place we were before and said, 'Now we'll wait for the police,"'