Big water-bombing aircraft has got delayed due to international disaster.  Prime Minister Scott Morrison promised that two air tankers from the United States will help to contend bushfire but it got delayed due to tornadoes in Alabama and an erupting volcano in the Philippines. Richard Alder, general manager of National Aerial Firefighting centre said that the DC-10 aircraft had been undergoing maintenance in Alabama when the area was hit by an extreme weather event and MD-87 aircraft has been delayed by a volcano ash cloud along the route.