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CANBERRA 鈥 One of Australia鈥檚 most senior security officials has said liberal democracies must brace for war while searching for peace amid elevated global tensions.

Home Affairs Department Secretary Mike Pezzullo said the possibility of war was increasing.

鈥淭oday, as free nations again hear the beating drums and watch worryingly the militarization of issues that we had, until recent years, thought unlikely to be catalysts for war, let us continue to search unceasingly for the chance for peace while bracing again … for the curse of war,鈥 Mr. Pezzullo said in a letter to staff on Anazac Day, which honours the country鈥檚 war dead.

Mr. Pezzullo did not specify the catalyst for his warning but it follows a sharp deterioration in Australia鈥檚 relationship with China and a rise in regional tensions over Taiwan.

Australian Defense Minister Peter Dutton said on Sunday that a conflict involving China over Taiwan 鈥渟hould not be discounted.鈥

Australia鈥檚 opposition Labor party criticized Mr. Pezzullo鈥檚 comments.

鈥淚 think that is pretty hyper-excited language and I am not sure our senior public servants should be using that language,鈥 Labor party lawmaker Bill Shorten told Australia鈥檚 Channel 9.

China claims Taiwan as its own territory and has never renounced the use of force to bring the island under Beijing鈥檚 control.

Chinese Foreign Ministry spokesman Wang Wenbin said he hoped Australia was aware of the sensitive nature of the issue and could 鈥渁void sending any wrong signal to Taiwan independence forces.鈥 鈥 Reuters