Australia has vowed it will take the “strongest action possible” if Russia has harmed one of its nationals captured fighting for Ukraine, after reports emerged the prisoner of war may have been killed.

Australian Prime Minister Anthony Albanese promised the "strongest action possible" if reports of an Australian national being executed by Russian forces while fighting for Ukraine are verified, CNN reports.

Australian broadcaster ABC and CNN’s affiliate Seven News cited Ukrainian sources suggesting that the 32-year-old soldier might have been killed. Speaking at a press conference on Jan. 15, Albanese said his government is “urgently seeking clarification” about the situation,