The Australian authorities say they've foiled an Islamic-extremist inspired plot to blow up a plane.
Four people have been arrested in Sydney, they've been detained during raids in several parts of the city.
Additional security's now in place at all domestic and international airports in Australia.
Passengers are being warning of delays because of extra screening.
Sydney terror raids 'disrupted' plot to bring down plane, Malcolm Turnbull says https://t.co/LxX2c3xsX1 pic.twitter.com/yxskSiy8S4
— ABC Sydney (@abcsydney) July 29, 2017
Sydney terror raids: Airport delays expected as security increased over alleged plot https://t.co/On1Y9lfRSL pic.twitter.com/dr3LTbad4i
— ABC Sydney (@abcsydney) July 30, 2017
Australian federal police commissioner Andrew Colvin says they've responded to specific intelligence:
