Prime minister Malcolm Turnbull has welcomed Liberal MP Craig Kelly's apology for his comments on Russian involvement in the shooting down of a Malaysian Airlines flight in 2014, saying the backbencher's remarks did not reflect the government's line.

Mr Kelly apologised after telling the grieving parents of three children killed in the MH17 disaster that nothing would bring their kids back, and suggesting alleged Russian involvement should be "slightly looked over" in the interests of better diplomatic relations.

"His remarks do not reflect, obviously, the policy of the government," Mr Turnbull told reporters on Thursday afternoon.

0:00 Turnbull on Craig Kelly's MH17 comments 00:00 / 00:00 Share Share on Twitter

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"They certainly warranted an apology, which I understand he has made."

Mr Kelly's comments came as families of the MH17 victims marked the tragedy's anniversary.

"We can't fix things that happened in the past. We've got to make sure that the relationships between Russia and the US going forward are the best they can possibly be," Mr Kelly told Sky News on Wednesday.

“If that means some things Russia has gotten away with in the past has to be slightly looked over, well I’m sorry, that’s the price that we have to pay to have good relations going forward - nothing is going to bring those three kids back."

read more 'You have nothing': Grieving Perth parents attack Trump over MH17 Almost 300 people, including 38 Australians, were killed in 2014 when a Russian-made missile shot down their Malaysian Airlines flight over Ukraine. Mr Kelly's comments were slammed by the Opposition and the backbencher was forced to offer an apology on Radio National this morning. "I unreservedly apologise for any distress I've caused to the families of MH17 victims... if my comments were taken out of context and have been blown up, I certainly apologise to everyone," he said. "I'd also say to those families as well, I have the greatest respect for them." AAP But the Liberal MP went on to say Russia should be fully condemned for any involvement in the MH17 disaster. "I myself would like to shirtfront President Putin for the conduct he's been engaged in and the lack of sympathy he's shown," he told Radio National. The "shirtfronting" comment echoes then-prime minister Tony Abbott's vow to confront Mr Putin following the shooting down of MH17. Supplied Mr Abbott vowed to "shirtfront" the Russian President at the G20 summit. At the time. Mr Kelly posted a Facebook status calling on Mr Putin to apologise. Earlier, Labor leader Bill Shorten slammed the Sydney MP over his MH17 comments. "I cannot believe he said this. Australians were killed. Children were killed. There are no excuses, ever. Craig Kelly should apologise to the families of the victims," Mr Shorten tweeted. I cannot believe he said this. Australians were killed. Children were killed. There are no excuses, ever. Craig Kelly should apologise to the families of the victims. https://t.co/N4GDD88xh1 — Bill Shorten (@billshortenmp) July 18, 2018 Mr Kelly's comments came after the Perth father of three children killed in the MH17 tragedy penned an open Facebook letter slamming US President Donald Trump for not holding his Russian counterpart accountable for the killing. 0:00 Bishop: 'We will continue to seek to negotiate with Russia over its role in the bringing down of MH17' 00:00 / 00:00 Share Share on Twitter

Share on Facebook “That the plane [MH17] was hit by a Russian missile has been proven to be an irrefutable fact," Anthony Maslin, who lost his children Mo, Evie and Otis in the attack, said. "That the man whose arse you've just been kissing did this, and continues to lie about it, is an irrefutable fact.”

.@CraigKellyMP: We can't fix things that's happened in the past.



It is best if the leaders US and Russia have a good talking relationship, if that means looking over things Russia has done in the past then that's the price we pay.



MORE: https://t.co/OZbNyyas5r #newsday pic.twitter.com/qhbGrAVGlz — Sky News Australia (@SkyNewsAust) July 18, 2018

"We can't fix things that happened in the past, we've got to make sure that the relationships between Russia and the US going forward are the best they can possibly be."

The Australian government has been scathing in its condemnation of Russia’s involvement in the 2014 incident.

The Foreign Minister Julie Bishop recently said she considered Russia legally responsible for the downing of the aircraft and should pay compensation to the families of the 38 Australians killed.

In a joint statement of G7 foreign ministers last week, several international governments called for Russia to account for its role.

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“In a rules-based international order, those responsible for unacceptable actions, such as the firing or launching of the BUK missile of Russian origin, which intercepted and downed a civilian aircraft, must be held accountable,” the statement said.

“To this end, we call on Russia to immediately engage with Australia and the Netherlands in good faith to explain and to address all relevant questions regarding any potential breaches of international law.”