From NEWS.COM.AU:

Gnomes footy prank annoys police

By Xavier La Canna

A TEAM of garden gnomes has taken to a Melbourne footy field, but police are not amused.

The Aussie Rules season may not start until April 8 for Melbourne’s Wyndhamvale Falcons, but the mischief has already begun.  For the second time in a few years, a collection of 19 garden gnomes has been discovered, set up in football positions, on the Wyndhamvale Football Ground, in the city’s southwest.

(more here)

We had that problem where I live too,  but then one of the Gnomes was caught using Steriods, and that led to this whole bru ha ha, someone wrote a book about it, the Gnome denied it in front of congress….  It was a big mess.