Doug the ugly spud could be world’s biggest potato

The large potato sits on a toy truck at Donna and Colin Craig-Brown’s home (Donna Craig-Brown via AP)

A New Zealand couple are waiting to hear if a mammoth potato they dug up has been recognised as the biggest in the world.

Colin and Donna Craig-Brown were weeding their garden at their small farm near Hamilton when his hoe struck something huge just beneath the soil’s surface.