Governments around the world are unprepared for the growing threat of drones being used to carry out terror attacks, a report warns.
Advances in drone technology, 3D printing and AI-assisted navigation should prompt leaders, including those in Australia, to rethink anti-extremism strategies, the paper from the Lowy Institute says.
The report points to a series of incidents in recent years as "warning signs" of what may be to come if governments don't crack down.
