The Federal Aviation Administration’s abrupt and unexplained closure of airspace above El Paso, Texas, early Wednesday has given way to a blame game inside the administration, with key senior officials asserting they hadn’t been alerted to the decision beforehand,

Days before alleged cartel drones from Mexico shutdown airspace around El Paso, the U.S. military had published new guidelines for its bases on how to protect themselves against the technology.

Aviation officials shut down the airspace over El Paso after Customs and Border Protection officials fired a laser on loan from the Pentagon.