A number of dog lovers were on edge recently following the emergence of a very confronting sign at a popular off-leash park. After a pooch was hurt while swimming in a flooded drain last Saturday, dog owners were shocked to see a crocodile warning sign pop up in the Irene Street park in Mooroobool, situated in suburban Cairns. The sign was introduced as a precaution, with no actual sightings of the fearsome reptiles. 'Dogs should be (kept) on a lead in a known crocodile habitat,' a spokesperson from the Department of Environment and Science said. Australian saltwater crocodiles (pictured above) are fearsome creatures and are feared by many