Bersatu president Muhyiddin Yassin said there is no way Perikatan Nasional (PN) can work with Pakatan Harapan in the 15th general election (GE15) unless the opposition coalition undergoes massive changes.br br He was responding to a question on a proposal by former Umno leader Idris Haron – now with PKR – for Harapan to join forces with PN against BN in GE15.