Australian Prime Minister Anthony Albanese pledged the "strongest action possible" during a Jan. 15 press conference if reports of an Australian national captured while fighting for Ukraine being executed by Russian forces are confirmed,

Oscar Jenkins, an Australian teacher fighting for Ukraine, was reportedly captured and interrogated by Russian soldiers. His status and whereabouts are unknown.

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.

The government is considering diplomatic retaliation if reports that Melbourne man Oscar Jenkins has been killed in Ukraine by Russian forces are confirmed.

Australia said Wednesday that "all options are open" in its response to the reported killing of one of its citizens after his capture by Russian forces in Ukraine.

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.

Australia's Prime Minister Anthony Albanese has vowed to take decisive measures if harm has been inflicted on Oscar Jenkins, a Melbourne school teacher captured while fighting for Ukraine. Disturbing video footage from December shows Jenkins being interrogated by Russian forces.

Oscar Jenkins, a former school teacher from Melbourne, was seen being struck by a Russian interrogator in a video posted in December. View on euronews

Australia should downgrade diplomatic relations with Russia if the killing of prisoner of war Oscar Jenkins is verified, the nation's Ukrainian community says.