Australia’s prime minister and his opposition rival clashed heatedly over the country's tumultuous relationship with China on Wednesday in the first leaders' debate ahead of elections on May 21.

The opposition center-left Labor Party has accused Prime Minister Scott Morrison’s conservative government of Australia’s biggest foreign policy blunder in the Pacific since World War II after China and the Solomon Islands announced this week they had signed a bilateral security pact.

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Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese take part in a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Australia’s prime minister and his opposition rival clashed heatedly over the country's tumultuous relationship with China on Wednesday in the first leaders' debate ahead of elections on May 21.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese share a laugh during a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool Photo via AP)

Morrison said China was to blame for the new threat, not Australia, which is the Solomon Islands' main security partner.

Australian Prime Minister Scott Morrison, right, speaks to an audience member during a debate with the leader of the Labour Party in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Opposition leader Anthony Albanese described that accusation as an “outrageous slur.”

Australian Labour Party leader Anthony Albanese talks to the audience during a debate with Australian Prime Minister Scott Morrison in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

The government has described Labor as weak on China and argues that a Labor government would bend to Chinese economic coercion.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese take part in a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool Photo via AP)

Labor takes credit for thwarting the government’s plan in 2014 to sign an extradition treaty with China. Bilateral relations have since deteriorated, and the government now warns that Australians risk arbitrary detention if they visit China.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese shake hands before a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Labor has been leading the government in most opinion polls in recent months. The government is seeking a rare fourth three-year term.

The pact has raised fears of a Chinese naval presence on the Solomon Islands, only 2,000 kilometers (1,240 miles) off the northeast Australian coast.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese take part in a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese take part in a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Morrison said China was to blame for the new threat, not Australia, which is the Solomon Islands' main security partner.

“It is a very serious issue, but what I found interesting today was that ... the Labor Party said that this was a policy failure. No, this has happened because China is seeking to interfere in the Pacific,” Morrison said.

He said it was odd that the Labor Party was saying it was Australia's fault instead of acknowledging that China was interfering in the region.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese share a laugh during a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool Photo via AP)

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese share a laugh during a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool Photo via AP)

Opposition leader Anthony Albanese described that accusation as an “outrageous slur.”

“This isn’t so much a Pacific step up. It’s a Pacific stuff up. This is a major foreign policy failure by Australia,” Albanese said. The Labor leader was referring to Australia’s policy of increased engagement with its island neighbors, which the government describes as its Pacific step up.

“The truth is we all know that China has changed. China has changed its posture. It’s more aggressive, it’s more active in the region and we need to understand that and respond to it,” Albanese added.

Australian Prime Minister Scott Morrison, right, speaks to an audience member during a debate with the leader of the Labour Party in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Australian Prime Minister Scott Morrison, right, speaks to an audience member during a debate with the leader of the Labour Party in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

The government has described Labor as weak on China and argues that a Labor government would bend to Chinese economic coercion.

With China imposing official and unofficial trade sanctions against Australia in recent years, the government argues that Beijing wants Labor to win the election.

A conservative lobby group is running ads on the side of trucks depicting Chinese President Xi Jinping casting his vote for Labor.

Australian Labour Party leader Anthony Albanese talks to the audience during a debate with Australian Prime Minister Scott Morrison in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Australian Labour Party leader Anthony Albanese talks to the audience during a debate with Australian Prime Minister Scott Morrison in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Labor takes credit for thwarting the government’s plan in 2014 to sign an extradition treaty with China. Bilateral relations have since deteriorated, and the government now warns that Australians risk arbitrary detention if they visit China.

Morrison on Wednesday said Labor had accused him of being “too strong” against China, pointing out to other world leaders how China was attempting to coerce Australia. Morrison said he had also been accused of racism for demanding an investigation into the origins of the coronavirus and for banning flights from China early in the pandemic.

Several experts say both parties are largely united on national security issues and that the government is fabricating differences on China.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese take part in a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool Photo via AP)

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese take part in a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool Photo via AP)

Labor has been leading the government in most opinion polls in recent months. The government is seeking a rare fourth three-year term.

Wednesday’s debate was hosted by News Corp. in the city of Brisbane in pivotal Queensland state in front of an audience of 100 people who have yet to decide who they would vote for. Albanese was voted the debate winner by 40 audience members, 35 gave it to Morrison and 25 were undecided.

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese shake hands before a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)

Australian Prime Minister Scott Morrison, right, and leader of the Labour Party Anthony Albanese shake hands before a debate in Brisbane, Wednesday, April 20, 2022. Australia will have a national election on May 21. (Jason EdwardsPool via AP)