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.

Australia has pledged to take the "strongest action possible" if Russia is found to have deliberately harmed one of its citizens who was fighting alongside Ukrainian forces. Oscar Jenkins was captured last month by Russian troops,

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

Australia's Prime Minister Anthony Albanese responded on Wednesday to the alleged death of Oscar Jenkins, a Melbourne man captured while fighting for Ukraine, swearing to take 'the strongest action

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

Australia summoned the Russian ambassador over reports a Melbourne man had been killed after being captured by Russia while fighting for Ukraine, Prime Minister Anthony Albanese said on Wednesday.

Australia has vowed to take the “strongest possible action” if it is confirmed that Russian forces have executed one of its captured citizens in Ukraine.

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.