Several Australian men have been arrested in a series of counter-terrorism raids across Melbourne after police uncovered a plot by Islamic extremists linked to al-Qaeda to mount a suicide attack on an Army base. Four men were under arrest this morning and several others were assisting police with inquiries after 400 police officers and members of the Australian Security Intelligence Organisation (ASIO) swooped on 19 properties shortly before dawn. Authorities believe the group, of Somalian and Lebanese background, was at an advanced stage of preparing to storm an Army barracks in retaliation for Australia’s military involvement in Muslim countries. Members...