A firefighting helicopter crashed on Wednesday while containing the wildfires in Uiseong County, North Gyeongsang Province, killing the pilot. 

According to the Korea Forest Service, the helicopter went down at 12:54 p.m. while putting out flames on hills in Uiseong, which continues to be ravaged by wildfires for a fifth day. 

The helicopter is believed to belong to Gangwon Province’s Inje County. 

Authorities said a witness reported seeing a yellow helicopter go down, adding that they are trying to determine the cause of the crash.