Australian Ashley Johnston was killed in Iraq while fighting ISIS . He was fighting for the Kurdish People 's Protection Units ( YPG ) His mother did n't know her son was fighting ISIS until he was killed . Amanda Johnston thought he was doing humanitarian work with the Kurds . She said she had no idea his death would cause such a stir on social media and that it is not something she wants to see happen again.
Australian Ashley Johnston was killed in Iraq while fighting ISIS . He was fighting for the Kurdish People 's Protection Units ( YPG ) His mother did n't know her son was fighting ISIS until he was killed . Amanda Johnston thought he was doing humanitarian work with the Kurds . Kurds say Johnston 'sacrificed himself ' when tank was encircled by ISIS . 'He jumped out of the panzer to cover us ' , a fellow fighter said .