A Federal Aviation Administration report warned of dangerous conditions at Harry Reid International Airport in Las Vegas, Nevada, due to the prevalence of air tour helicopters. The FAA said it reviewed dozens of airports in the wake of the collision between an American Airlines jet and an Army Black Hawk helicopter outside Washington,

A federal review of helicopter safety around some of the busiest U.S. airports has revealed dangerous flying conditions at the Las Vegas airport.

The Federal Aviation Administration said on Tuesday it is taking action to prevent collisions between helicopters and passenger planes around the busy Las Vegas airport and it is also reviewing air traffic between two Los Angeles-area airports.