Australia would be the "perfect" target for a fledgling Islamist terror network that has carried out multiple antisemitic attacks in Europe, the United Kingdom and Canada, experts have warned. Harakat Ashab al-Yamin al-Islamia, or HAYI, first emerged online in March and has so far professed to be behind about 20 acts of violence against Jewish people, buildings and symbols.Authorities in the United States, and experts in multiple countries, have identified numerous connections between HAYI and Iran.But this group behaves differently to the Islamic Republic's chief militant proxies, such as Hamas and Hezbollah, and established jihadi organisations elsewhere, such as Islamic State...