Probe into whether Killarney fire was started to clear land 

The blaze in Killarney National Park has emptied thousands of acres of insect, animal and bird life as well as vegetation. Picture: Valerie O'Sullivan

Authorities are investigating whether the weekend's inferno in Killarney National Park resulted from fires started to clear land and whether they were started in a number of different places.

The blaze has emptied thousands of acres of national park of insect, animal and bird life as well as vegetation.