ANALYSIS | Fissures are widening in Pakatan Harapan over who should be the coalition's prime minister candidate. The dispute has led to PKR locking horns with DAP and Amanah.

DAP and Amanah appear to be pressuring PKR to accept Dr Mahathir Mohamad as an interim choice of prime minister before Anwar Ibrahim takes over in six months - a deal which the PKR president and those aligned to him have rejected.

This has raised concerns on whether Harapan is on the brink of collapse. Indeed, there are voices in PKR who believe that it might be time to forge a new path, without the old allies.

In a diverse nation where multi-party coalitions is the norm, such a move is not politically sound as no single party can feasibly form the government on its own...