'War' on poisonous Australia toad

People in the Australian state of Queensland have taken part in a mass-killing of poisonous cane toads, as part of a collective effort at pest control, known as Toad Day Out.

The toads have to be captured unharmed, examined by experts, and then killed humanely under the event rules.

http://news.bbc.co.uk/1/hi/world/asia-pacific/7970877.stm