VIDEO: Angry mob tries to lynch policeman after he allegedly pushed old man to death

An angry mob along Airport road in Lagos tried to lynch a Nigerian policeman after him and his colleague allegedly beat up and pushed an elderly man into a dirty drainage.
 
      

In the video, eyewitnesses said his colleague had escaped with a gun.

Meanwhile, the crowd forced the other policeman to get in the gutter and pick up the man whose head was visibly bloody.  

Members of the crowd descended on him while others were moved to tears.I couldn't help but wonder why no one was calling for help or performing CPR. The man may be unconscious!