Captive Brit fighter Aiden Aslin, 28, launches desperate appeal against death sentence in rogue pro-Putin Ukraine state

CAPTURED Brit fighter Aiden Aslin has launched a desperate appeal against his death sentence in Putin’s rogue Ukrainian state. The so-called Donetsk People’s Republic confirmed it received Aslin’s appeal on Monday. Captured British fighter Aiden Aslin has launched a legal appeal against his death sentence “Today, July 4, a cassation appeal was filed with the Appeals Chamber of the Supreme Court by the lawyer of the third convict, Aiden Aslin, regarding the change in the punishment,” a representative of the Supreme Court told Russian outlet RIA Novosti. It comes as Ukraine said it was ready to swap Russian prisoners of war to secure the release of hero fighters Aiden Aslin and Shaun Pinner. The Britons – both serving members of Ukraine’s army – were sentenced to death by a kangaroo court after reportedly being tricked to admit they are terrorists. Expats Aiden, 28, and Shaun, 48, were captured after running out of ammo during the brutal siege of Mariupol. MORE ON THE UKRAINE WAR BY YOUR SIDE Britain will lead the world in rebuilding war-ravaged Ukraine, vows Liz Truss SHELL BLITZ Six dead in blitz on Ukrainian city hours after Russia blames Ukraine for blast They were convicted of being illegal mercenaries in a sham trial by Putin’s proxies in the occupied Donetsk region. Ukraine says they were soldiers who should be protected as prisoners of war under international law. And last month the country’s ambassador to the UK, Vadym Prystaiko, suggested they will be freed in a prisoner swap deal with Russia. In return Putin could demand the release of a number of pro-Kremlin Ukrainian politicians who have been detained for alleged spying. Most read in The Sun TOWIE TRAGEDY Yazmin Oukhellou suffers 'extremely serious' damage to arm as boyfriend dies BILL HELP Thousands of people to get £200 direct payment within days - how to get the cash TOWIE TRAGEDY Towie's Yazmin Oukhellou seriously injured in smash that killed Jake McLean COURT FEELINGS Sue Barker in tears on Centre Court as BBC legend shakes off laryngitis RY'S NEW MAN Rylan Clark kisses and cuddles Geordie Shore star's ex on romantic night out GREEK GOD Grealish shows stunning physique as he trains topless in Greece after wedding fun “It will be a swap,” Mr Prystaiko told BBC News. “The important question is what will be the price for this, because the Russians were talking about some Ukrainian MPs being swapped for them, especially for those who, I now understand, were working for them for all these years.” The ambassador added Aiden and Shaun “have contracts with the armed forces, they lived in Ukraine before, so they are legitimately there.” He said: “We expect Russians to remember that these are our people, and should be treated as prisoners of war – the same way we are treating Russians who are in our captivity.” It comes after Boris Johnson ordered ministers to do “everything in their power” to ensure the release of the two Britons. Meanwhile, another Brit stopped at a Russian checkpoint as he tried to help a Ukrainian family to safety is facing the death penalty on “bogus” charges, it is said. Aid worker Dylan Healy, 22, has been accused of being a terrorist and a mercenary. Read More on The Sun IN A SPIN The £1 hack to keep your washing machine clean & get amazing smelling clothes POINT TO PROVE My daughter was hit with 6 points on licence - she's not old enough to drive He was detained with Brit helper Paul Urey, 45, near Zaporizhzhia on April 25. They face trial. A humanitarian aid group insists pictures posted online with witness statements and documents prove he was on a mercy mission.