This week's top videos
A viral video demonstrating just how swiftly karma can come back to bite has proven the most viewed video in a week dominated by violent and graphic events.
Just seconds after a high school bully punched a blind student in the face following a short confrontation, an intrepid figure enters the fold with a bludgeoning strike of his own.
Racist Sydney train rant
A woman unleashing a race-fueled tirade on public transport in Sydney became the second most viewed video for all the wrong reasons.
Suicide bomber's final moments
WARNING: GRAPHIC CONTENT.
A suicide bomber can be seen weeping as he is comforted by jihadis before fatal attack in Syria.
Ghost encounter or practical effects?
An Irish woman says she will have to move house after catching this 'ghost' on video. But were there strings attached?
Whale of a time
A group of fishermen have had a terrifying encounter with a pod of killer whales off the coast of San Diego. This is the reaction when the hunters become the hunted.
