['I was walking in the park when a stray dog chased after me.', "That's scary! Did you chase it away and show it who's boss?", 'No, I ran for my life.  I was so scared!']
I would have done the same. Never know if the thing is going to bite off your bellybutton or not.
I walking in the park when a stray dog chased after me.  I was absolutely scared for my life.