Dad takes joke too far by tricking mum into thinking he's killed their young son

When does a supposedly harmless prank actually just become unfunny?

There's an increasingly fine line, but arguably "pretending to have killed your tiny toddler son" is a valid tipping point.

One dad and YouTube prankster succeeded in terrifying his partner by doing just this, all in the name of entertainment.

YouTube pranksters have seen a dramatic increase in popularity over recent years, but some have fallen casualty to their own material, like DaddyOFive , having gone too far, provoking outrage and disgust.

Roman Atwood is another "professional prankster" who has occasionally enlisted his young children in his tricks.