One missing, two injured in helicopter crash in SW China

 KUNMING, July 22 (Xinhua) -- One person was missing and two others injured after a helicopter crashed into a reservoir in the city of Chuxiong in southwest China's Yunnan Province, local authorities said Sunday.

The accident happened at around 5:45 p.m. Saturday at the Qingshanzui reservoir, local authorities said.

Three people were on board when the helicopter crashed, two of them having been rescued and sent to hospital for treatment. They are currently not in critical conditions, according to local authorities.

Initial investigation¹ showed the helicopter belonged to the Yunnan General Aviation Co., Ltd. Rescuers are searching for the missing person. Probes to the cause of the accident are underway.

1 investigation   

n.调查，调查研究

参考例句：

• In an investigation,a new fact became known, which told against him.在调查中新发现了一件对他不利的事实。
• He drew the conclusion by building on his own investigation.他根据自己的调查研究作出结论。