Papua New Guinea's prime minister Peter O'Neill has welcomed a Supreme Court decision to quash an arrest warrant for him.
The warrant was issued in 2014 following an investigation into allegedly illegal state payments of $US30 million to a private law firm.
After a long-running series of legal cases around the warrant's validity, the court ruled it was defective due to technicalities.
Transparency International PNG's chairman says Mr O'Neill has used the full extent of the law to defend himself.
But Lawrence Stephens says the problem is that there's still no resolution to this and other cases of alleged high level fraud.