ALBUQUERQUE, N.M.—Evidence indicates that a helicopter that crashed in northern New Mexico after helping fight a wildfire over the weekend descended at a fast rate, with the craft ending up mangled and in pieces after first hitting the ground upright, the National Transportation Safety Board said Monday.
The agency has completed its initial documentation of the deadly crash, but it will likely take weeks for investigators to determine the cause. Authorities were in the process of removing the wreckage from a remote area south of the community of Las Vegas to a secure location where it could be examined further….