PHOENIX (AP) — Four survivors of a deadly tour helicopter crash onto the jagged rocks of the Grand Canyon were being treated at a Nevada hospital on Sunday while crews tackled difficult terrain in a remote area to try to recover the bodies of three other people.

Six British tourists and a pilot were on board the Papillon Grand Canyon Helicopters chopper when it crashed under unknown circumstances on Saturday evening on the Hualapai Nation's land near Quartermaster Canyon, by the Grand Canyon's West Rim. A witness said he saw flames and black smoke spewing from the crash site, heard explosions...