4 killed when a sheriff's office helicopter crashed in New Mexico

Four people were killed when a sheriff’s office helicopter crashed in New Mexico Saturday, 官员说.

Three employees with the Bernalillo County Sheriff’s Office and one worker with the county’s fire department were killed in the crash near Las Vegas, 新墨西哥, the sheriff’s office said on 社交媒体.
There were no known survivors, officials added, noting the information is preliminary.
      These personnel were headed back to Albuquerque after assisting fire crews with the East Mesa Fire,” 警长办公室说.
        The National Transportation Safety Board told CNN it is investigating the crash. New Mexico State Police 说过 the Federal Aviation Administration is also investigating.