Victim stepped into striking range without watching opponent, did not appear to understand the risk and how fast the situation can change. This was potentially fatal due to the hard surface.
Victim standing with hands in pockets within striking range. Aggressor does not telegraph, strikes while talking to distract victim. Striking from this range happens so quickly that it is impossible to react in time for the vast majority of people.
Police officer takes down belligerent woman with an upper body takedown.
A potentially fatal slam. High risk of severe head injury.
A power lifter is knocked out by an amateur MMA fighter, falling on a hard surface which resulted in his death. What begins as nothing more than a contest of egos ends with severe consequences.