'Unprecedented' Texas airspace closure lifted without explanation

The Federal Aviation Administration abruptly lifted its closure of the airspace over El Paso, Texas, hours after it was imposed without explanation.

The FAA had closed the airspace over El Paso for 10 days, and CNN's Pete Muntean reported that a source familiar with the situation told him the decision was related to an unspecified military operation at a nearby U.S. Army base.

However, the closure was lifted by the FAA shortly before 9 a.m. EST, about six hours after it was implemented...