Stop finger pointing over MH17: minister

Malaysia's defence minister says his step-grandmother is the country's only national yet to be identified and recovered from the MH17 crash site.

Hishammuddin Hussein visited Perth on Wednesday to officially launch the Malaysian contracted MH370 search vessel and its underwater probe.

When asked what he thought about Prime Minister Tony Abbott's comment to "shirt-front" Russian president Vladimir Putin, Mr Hussein said finger-pointing was only complicating an already complicated issue.

Mr Hishammuddin said of the 43 Malaysians who died in the crash, 42 had been recovered.

"There's only one missing, and that's my step-grandmother," Mr Hishammuddin said.

But the minister said he had put aside his personal feelings on that because he didn't want to risk the lives of security forces going into to a war zone.

"To complicate that with finger-pointing - I would leave it to the criminal investigation committee," he said.

"We will find justice for MH17.

"How we find that justice must be detached from any other geo-political consideration."