IRONORE/ BHP Group BHP.AX and Rio Tinto RIO.AX rose 1.8% each, while rival Fortescue Metals Group FMG.AX shed 0.3%. May 27 (Reuters) - Australian shares rose on Friday and were poised for a second weekly climb amid broad-based gains across sectors following the U.S. Federal Reserve's monetary policy meeting that eased investor worries about overly aggressive rate hikes. Markets worldwide rose after minutes from the Fed meeting indicated the U.S. central bank would remain flexible to address inflation and might pause rate hikes later in the year.