Australia foils Islamist 'terror plot' to bring down airplane

Australia has foiled an Islamist-inspired "terrorist plot" to bring down an airplane with an improvised explosive, authorities said Sunday, after four people were arrested in raids across Sydney. Prime Minister Malcolm Turnbull said the plot appeared to be "elaborate" rather than planned by a lone wolf, as security was beefed up at major domestic and international airports across the nation. "I can report last night that there has been a major joint counter-terrorism operation to disrupt a