Problems with rogue drones hit new heights

Washington

ROGUE drone operators are rapidly becoming a national nuisance in the United States, invading sensitive airspace and private property - with the regulators of the nation's skies largely powerless to stop them.

In recent days, drones have smuggled drugs into an Ohio prison, smashed against a Cincinnati skyscraper, impeded efforts to fight wildfires in California and nearly collided with three airliners over New York City.