 In 2011, the university temporarily suspended the chapter while investigating rape allegations at a house party.In 2014, Brown University suspended its Phi Kappa Psi chapter after two female students reported that they rapidly became intoxicated at the fraternity's party and tested positive for the date rape drug GHB.Chapter officials disputed the test results and a subsequent investigation by the university showed that the results were in fact inconclusive for the presence of GHB due to errors in laboratory procedures.