AAP: A total fire ban has been issued for most of southern NSW as scorching temperatures move north in the coming days. Twenty fires are burning across NSW and one in the Budawang National Park, near the NSW south coast, has torched more than 2,000ha. Lightning sparked the blaze on January 20 in the remote bushland area about 30km northwest of Bateman’s Bay. A Rural Fire Service (RFS) spokesman said on Sunday that 12 water-bombing aircraft assisted firefighters trying to …