Joseph gaya iowa UI denied Alpha Delta Phi appeal as 2 members take 'sole responsibility' for alleged hazingThe Alpha Delta Phi fraternity is still on interim suspension for an alleged hazing incident despite an appeal and an internal, third-party investigation that pointed blame at a pair of members. The national Alpha Delta Phi office concluded, through the results of the investigation, that the two brothers bear "sole responsibility," according to the fraternity's appeal of the Nov.