Three persons died when a tour helicopter crashed in the Grand Canyon, one of the most famous national parks of the US.
The helicopter from Papillion Airways carrying a pilot and six passengers crashed in the Quartermaster Canyon in Arizona around 5.20 p.m. on Saturday, ABC 15 news channel reported, citing Hualapai Nation Police Chief Francis Bradley.
According to Xinhua, multiple agencies took part in the rescue and investigation.
"Four survivors being treated at the scene, all Level 1 'critical' ... can't be airlifted because conditions too windy," he tweeted.
The helicopter tour in the Grand Canyon which provides stunning aerial views of the magnificent vista is very popular in the national park and the tickets are always sold out several weeks in advance.